cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

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A008036 Coordination sequence T1 for Zeolite Code AST.

Original entry on oeis.org

1, 4, 9, 19, 34, 48, 66, 96, 127, 151, 183, 232, 281, 316, 357, 427, 499, 540, 588, 684, 778, 823, 879, 1000, 1118, 1168, 1227, 1375, 1522, 1572, 1632, 1812, 1987, 2035, 2097, 2308, 2513, 2560, 2619, 2863, 3103, 3144, 3198, 3480, 3754, 3787, 3837, 4156
Offset: 0

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Author

Keywords

References

  • W. M. Meier, D. H. Olson and Ch. Baerlocher, Atlas of Zeolite Structure Types, 4th Ed., Elsevier, 1996

Formula

G.f.: (1+x) * (1+x+4*x^2+6*x^3+6*x^4+9*x^5+6*x^6+6*x^7+4*x^8+x^9+x^10) / ((1-x)^3 * (1+x^2)^3 * (1+x+x^2)). - Colin Barker, Dec 18 2015

A008037 Coordination sequence T2 for Zeolite Code AST.

Original entry on oeis.org

1, 4, 12, 18, 28, 52, 78, 88, 112, 162, 204, 220, 254, 328, 396, 414, 448, 556, 654, 664, 700, 846, 972, 976, 1010, 1192, 1356, 1350, 1372, 1600, 1806, 1780, 1792, 2070, 2316, 2272, 2270, 2596, 2892, 2826, 2800, 3184, 3534, 3436, 3388, 3834, 4236, 4108, 4034
Offset: 0

Views

Author

Keywords

References

  • W. M. Meier, D. H. Olson and Ch. Baerlocher, Atlas of Zeolite Structure Types, 4th Ed., Elsevier, 1996

Formula

G.f.: (1 + 3*x + 10*x^2 + 11*x^3 + 23*x^4 + 26*x^5 + 32*x^6 + 26*x^7 + 23*x^8 + 11*x^9 + 10*x^10 + 3*x^11 + x^12) / ((1-x)^3 * (1+x) * (1+x^2)^3 * (1+x+x^2)). - Colin Barker, Dec 20 2015

A008038 Coordination sequence T1 for Zeolite Code ATS.

Original entry on oeis.org

1, 4, 10, 19, 30, 46, 67, 93, 124, 154, 189, 232, 277, 325, 374, 428, 490, 557, 625, 690, 763, 844, 930, 1021, 1105, 1194, 1294, 1399, 1510, 1616, 1724, 1840, 1964, 2095, 2220, 2350, 2485, 2625, 2776, 2920, 3069, 3226, 3385, 3553, 3716, 3884, 4060, 4241
Offset: 0

Views

Author

Keywords

References

  • W. M. Meier, D. H. Olson and Ch. Baerlocher, Atlas of Zeolite Structure Types, 4th Ed., Elsevier, 1996

Formula

G.f.: (1 +x)^2 * (1 + x + 4*x^2 + 3*x^3 + 8*x^4 + 7*x^5 + 10*x^6 + 10*x^7 + 9*x^8 + 8*x^9 + 7*x^10 + 4*x^11 + x^12 + x^13 - 2*x^15) / ((1 - x)^3 * (1 - x + x^2) * (1 + x + x^2) * (1 + x + x^2 + x^3 + x^4)^2). - Colin Barker, Dec 18 2015

A008039 Coordination sequence T2 for Zeolite Code ATS.

Original entry on oeis.org

1, 4, 10, 20, 32, 49, 73, 97, 124, 157, 193, 236, 281, 325, 376, 434, 496, 559, 623, 692, 769, 853, 934, 1015, 1105, 1201, 1304, 1406, 1504, 1612, 1730, 1852, 1972, 2090, 2216, 2353, 2497, 2635, 2770, 2917, 3073, 3236, 3395, 3547, 3712, 3890, 4072, 4249
Offset: 0

Views

Author

Keywords

References

  • W. M. Meier, D. H. Olson and Ch. Baerlocher, Atlas of Zeolite Structure Types, 4th Ed., Elsevier, 1996

Formula

G.f.: (1+x)^3 * (1+x+4*x^2+3*x^3+6*x^4+6*x^5+6*x^6+3*x^7+4*x^8+x^9+x^10) / ((1-x)^3 * (1+x+x^2) * (1+x+x^2+x^3+x^4)^2). - Colin Barker, Dec 20 2015

A008041 Coordination sequence T1 for Zeolite Code ATT.

Original entry on oeis.org

1, 4, 9, 18, 33, 52, 73, 96, 123, 158, 199, 239, 280, 329, 383, 438, 498, 564, 633, 704, 778, 857, 941, 1029, 1122, 1219, 1316, 1415, 1522, 1636, 1753, 1871, 1990, 2115, 2248, 2383, 2519, 2661, 2808, 2957, 3110, 3268, 3429, 3593, 3762, 3937, 4115, 4293
Offset: 0

Views

Author

Keywords

References

  • W. M. Meier, D. H. Olson and Ch. Baerlocher, Atlas of Zeolite Structure Types, 4th Ed., Elsevier, 1996

Formula

G.f.: (1 + x) * (1 + 2*x + 5*x^2 + 10*x^3 + 17*x^4 + 25*x^5 + 34*x^6 + 40*x^7 + 46*x^8 + 48*x^9 + 46*x^10 + 40*x^11 + 34*x^12 + 25*x^13 + 17*x^14 + 10*x^15 + 5*x^16 + 2*x^17 + x^18) / ((1 - x)^3 * (1 - x + x^2) * (1 + x^2) * (1 + x + x^2) * (1 + x + x^2 + x^3 + x^4) * (1 + x + x^2 + x^3 + x^4 + x^5 + x^6)). - Colin Barker, Dec 18 2015

A008042 Coordination sequence T2 for Zeolite Code ATT.

Original entry on oeis.org

1, 4, 10, 21, 34, 48, 70, 100, 130, 159, 194, 236, 282, 332, 384, 439, 500, 564, 630, 702, 780, 861, 944, 1030, 1120, 1214, 1314, 1421, 1530, 1636, 1746, 1868, 1994, 2119, 2248, 2382, 2520, 2662, 2808, 2957, 3110, 3268, 3430, 3596, 3764, 3935, 4112, 4294
Offset: 0

Views

Author

Keywords

References

  • W. M. Meier, D. H. Olson and Ch. Baerlocher, Atlas of Zeolite Structure Types, 4th Ed., Elsevier, 1996

Formula

G.f.: (1 + x) * (1 + x + 4*x^2 + 4*x^3 + 4*x^4 + 4*x^5 + 4*x^6 + x^7 + x^8) * (1 + x + x^2 + 2*x^3 + 2*x^4 + 3*x^5 + 2*x^6 + 2*x^7 + x^8 + x^9 + x^10) / ((1-x)^3 * (1 - x + x^2) * (1 + x^2) * (1 + x + x^2) * (1 + x + x^2 + x^3 + x^4) * (1 + x + x^2 + x^3 + x^4 + x^5 + x^6)). - Colin Barker, Dec 20 2015

A008043 Coordination sequence T1 for Zeolite Code ATV.

Original entry on oeis.org

1, 4, 11, 22, 40, 64, 92, 121, 157, 200, 248, 297, 351, 414, 484, 555, 630, 709, 795, 885, 980, 1081, 1187, 1297, 1414, 1535, 1660, 1786, 1919, 2061, 2208, 2356, 2509, 2669, 2836, 3004, 3176, 3354, 3539, 3728, 3922, 4120, 4323, 4530, 4744, 4964, 5188, 5413
Offset: 0

Views

Author

Keywords

References

  • W. M. Meier, D. H. Olson and Ch. Baerlocher, Atlas of Zeolite Structure Types, 4th Ed., Elsevier, 1996

Formula

a(40*m+k) = 3920*m^2 + 196*k*m + one of 40 numbers depending on k, 0<=k<40 (N. J. A. Sloane).
G.f.: (1 + 2*x + 5*x^2 + 6*x^3 + 12*x^4 + 12*x^5 + 16*x^6 + 13*x^7 + 22*x^8 + 18*x^9 + 22*x^10 + 13*x^11 + 16*x^12 + 12*x^13 + 12*x^14 + 6*x^15 + 5*x^16 + 2*x^17 + x^18) / ((1-x)^3 * (1+x) * (1+x^2) * (1 - x + x^2 - x^3 + x^4) * (1+x^4) * (1 + x + x^2 + x^3 + x^4)). - Colin Barker, Dec 18 2015
G.f.: (1 + 3*x + 7*x^2 + 11*x^3 + 18*x^4 + 24*x^5 + 28*x^6 + 29*x^7 + 35*x^8 + 40*x^9 + 40*x^10 + 35*x^11 + 29*x^12 + 28*x^13 + 24*x^14 + 18*x^15 + 11*x^16 + 7*x^17 + 3*x^18 + x^19) / (1-x) / (1-x^8) / (1-x^10). - Sean A. Irvine, Mar 13 2018

A008044 Coordination sequence T2 for Zeolite Code ATV.

Original entry on oeis.org

1, 4, 12, 25, 42, 61, 88, 122, 160, 200, 246, 299, 358, 417, 480, 550, 628, 710, 796, 887, 984, 1083, 1188, 1298, 1412, 1530, 1656, 1789, 1926, 2063, 2206, 2356, 2512, 2670, 2832, 3001, 3178, 3357, 3540, 3728, 3922, 4120, 4324, 4533, 4746, 4961, 5184, 5414
Offset: 0

Views

Author

Keywords

References

  • W. M. Meier, D. H. Olson and Ch. Baerlocher, Atlas of Zeolite Structure Types, 4th Ed., Elsevier, 1996

Formula

a(40*m+k) = 3920*m^2 + 196*k*m + one of 40 numbers depending on k, 0<=k<40. - N. J. A. Sloane
G.f.: (1 + 2*x + 6*x^2 + 7*x^3 + 10*x^4 + 9*x^5 + 18*x^6 + 16*x^7 + 21*x^8 + 16*x^9 + 21*x^10 + 16*x^11 + 18*x^12 + 9*x^13 + 10*x^14 + 7*x^15 + 6*x^16 + 2*x^17 + x^18) / ((1-x)^3 * (1+x) * (1+x^2) * (1 - x + x^2 - x^3 + x^4) * (1 + x^4) * (1 + x + x^2 + x^3 + x^4)). - Colin Barker, Dec 20 2015
G.f.: (1 + 3*x + 8*x^2 + 13*x^3 + 17*x^4 + 19*x^5 + 27*x^6 + 34*x^7 + 37*x^8 + 37*x^9 + 37*x^10 + 37*x^11 + 34*x^12 + 27*x^13 + 19*x^14 + 17*x^15 + 13*x^16 + 8*x^17 + 3*x^18 + x^19) / (1-x) / (1-x^8) / (1-x^10). - Sean A. Irvine, Mar 13 2018

A008045 Coordination sequence T1 for Zeolite Code AWW.

Original entry on oeis.org

1, 4, 10, 20, 33, 50, 72, 98, 128, 162, 200, 241, 285, 333, 386, 444, 506, 572, 641, 713, 789, 869, 953, 1042, 1136, 1233, 1333, 1437, 1545, 1657, 1773, 1893, 2017, 2145, 2277, 2413, 2553, 2697, 2845, 2996, 3150, 3309, 3473, 3641, 3813, 3989, 4168, 4350
Offset: 0

Views

Author

Keywords

References

  • W. M. Meier, D. H. Olson and Ch. Baerlocher, Atlas of Zeolite Structure Types, 4th Ed., Elsevier, 1996

Formula

G.f.: (1+x)^3 * (1 + 3*x^2 + 4*x^4 + 2*x^5 + 4*x^6 + 3*x^7 + 4*x^8 + 2*x^9 + 4*x^10 + 3*x^12 + x^14) / ((1-x)^3 * (1 + x + x^2) * (1 + x^3 + x^6) * (1 + x + x^2 + x^3 + x^4 + x^5 + x^6)). - Colin Barker, Dec 18 2015

A008046 Coordination sequence T2 for Zeolite Code AWW.

Original entry on oeis.org

1, 4, 9, 17, 30, 50, 74, 97, 123, 158, 198, 237, 281, 336, 394, 447, 501, 566, 638, 709, 783, 868, 960, 1047, 1133, 1230, 1334, 1435, 1537, 1650, 1772, 1895, 2019, 2150, 2284, 2413, 2543, 2684, 2836, 2993, 3155, 3322, 3486, 3643, 3801, 3972, 4156, 4345
Offset: 0

Views

Author

Keywords

References

  • W. M. Meier, D. H. Olson and Ch. Baerlocher, Atlas of Zeolite Structure Types, 4th Ed., Elsevier, 1996

Programs

  • Maple
    -(x^27+3*x^26+2*x^25-2*x^24-2*x^23+x^22+3*x^21+8*x^20+18*x^19+31*x^18+44*
    x^17+57*x^16+71*x^15+83*x^14+90*x^13+92*x^12+92*x^11+89*x^10+79*x^9+65*x^8+53*x^7
    +43*x^6+31*x^5+19*x^4+11*x^3+6*x^2+3*x+1)/(x^7-x^6+x^5-x^4+x^3-x^2+x-1)/(x-1)
    /(x^15+x^14+x^13+x^12+x^11+x^10+x^9-x^6-x^5-x^4-x^3-x^2-x-1)

Formula

a(n+191)-a(n+128)-2a(n+127)+2a(n+64)+a(n+63)-a(n)=0 (N. J. A. Sloane).
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