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.

Previous Showing 41-50 of 792 results. Next

A008026 Coordination sequence T1 for Zeolite Code AFT.

Original entry on oeis.org

1, 4, 9, 17, 29, 45, 64, 85, 110, 140, 173, 208, 247, 294, 347, 399, 449, 504, 570, 641, 708, 774, 848, 932, 1018, 1101, 1186, 1278, 1377, 1479, 1581, 1684, 1791, 1907, 2032, 2158, 2279, 2400, 2533, 2678, 2821, 2956, 3094, 3247, 3409, 3566, 3718, 3876, 4046
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 + 4*x + 9*x^2 + 68*x^20 + 82*x^15 + 73*x^17 + 68*x^19 + 67*x^21 + 64*x^22 + 59*x^23 + 51*x^24 + 40*x^25 + 28*x^26 + 17*x^27 + 9*x^28 + 4*x^29 + x^30 + 28*x^4 + 40*x^5 + 51*x^6 + 59*x^7 + 64*x^8 + 67*x^9 + 68*x^10 + 68*x^11 + 69*x^12 + 73*x^13 + 79*x^14 + 79*x^16 + 69*x^18 + 17*x^3) / (1-x^4) / (1-x^5) / (1-x^21). - Sean A. Irvine, Mar 13 2018

A008027 Coordination sequence T2 for Zeolite Code AFT.

Original entry on oeis.org

1, 4, 9, 17, 29, 45, 64, 86, 113, 144, 178, 215, 254, 297, 345, 397, 451, 507, 570, 638, 706, 776, 851, 932, 1015, 1099, 1188, 1281, 1378, 1479, 1583, 1691, 1801, 1914, 2032, 2154, 2279, 2405, 2536, 2675, 2816, 2956, 3099, 3250, 3406, 3561, 3718, 3881, 4049
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 + 4*x + 9*x^2 + 73*x^20 + 68*x^15 + 69*x^17 + 74*x^19 + 71*x^21 + 67*x^22 + 60*x^23 + 51*x^24 + 40*x^25 + 28*x^26 + 17*x^27 + 9*x^28 + 4*x^29 + x^30 + 28*x^4 + 40*x^5 + 51*x^6 + 60*x^7 + 67*x^8 + 71*x^9 + 73*x^10 + 74*x^11 + 72*x^12 + 69*x^13 + 68*x^14 + 68*x^16 + 72*x^18 + 17*x^3) / (1-x^4) / (1-x^5) / (1-x^21). - Sean A. Irvine, Mar 13 2018

A008028 Coordination sequence T3 for Zeolite Code AFT.

Original entry on oeis.org

1, 4, 9, 17, 29, 45, 65, 88, 113, 141, 175, 216, 258, 297, 340, 394, 455, 514, 570, 631, 702, 780, 858, 932, 1008, 1095, 1192, 1289, 1380, 1472, 1576, 1692, 1809, 1918, 2025, 2145, 2280, 2416, 2543, 2668, 2805, 2956, 3110, 3257, 3399, 3550, 3718, 3892, 4057
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 + 4*x + 9*x^2 + 69*x^20 + 68*x^15 + 72*x^17 + 72*x^19 + 68*x^21 + 67*x^22 + 62*x^23 + 52*x^24 + 40*x^25 + 28*x^26 + 17*x^27 + 9*x^28 + 4*x^29 + x^30 + 28*x^4 + 40*x^5 + 52*x^6 + 62*x^7 + 67*x^8 + 68*x^9 + 69*x^10 + 72*x^11 + 74*x^12 + 72*x^13 + 69*x^14 + 69*x^16 + 74*x^18 + 17*x^3) / (1-x^4) / (1-x^5) / (1-x^21). - Sean A. Irvine, Mar 13 2018

A008029 Coordination sequence T1 for Zeolite Code AFY.

Original entry on oeis.org

1, 4, 8, 14, 25, 39, 53, 71, 96, 124, 152, 179, 208, 247, 293, 336, 378, 424, 474, 530, 591, 652, 713, 776, 843, 918, 997, 1073, 1151, 1235, 1321, 1410, 1504, 1601, 1700, 1799, 1899, 2007, 2122, 2236, 2350, 2467, 2586, 2711, 2843, 2976, 3108, 3240, 3376
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 + 3*x^2 - x^3 + 4*x^4 - 2*x^5 + 6*x^6 - 3*x^7 + 5*x^8 - 2*x^9 + 2*x^10 - 2*x^11 + 2*x^12 - 2*x^13 + x^14) / ((1 - x)^3 * (1 - x + x^2) * (1 + x^2) * (1 + x + x^2) * (1 + x + x^2 + x^3 + x^4)). - Colin Barker, Dec 18 2015

A008030 Coordination sequence T2 for Zeolite Code AFY.

Original entry on oeis.org

1, 4, 9, 16, 23, 34, 57, 82, 98, 115, 141, 178, 224, 259, 282, 322, 377, 430, 486, 535, 578, 643, 717, 781, 851, 919, 984, 1072, 1160, 1231, 1320, 1417, 1502, 1600, 1698, 1789, 1907, 2023, 2115, 2227, 2348, 2461, 2598, 2728, 2831, 2962, 3108, 3241, 3392
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+4*x^2-x^3+7*x^4+x^5+9*x^6+x^7+7*x^8-x^9+4*x^10+x^12) / ((1-x)^3 * (1-x+x^2) * (1+x^2) * (1+x+x^2)^2 * (1+x+x^2+x^3+x^4)). - Colin Barker, Dec 20 2015

A008031 Coordination sequence T1 for Zeolite Code ANA.

Original entry on oeis.org

1, 4, 10, 22, 39, 60, 87, 118, 154, 196, 242, 292, 345, 406, 471, 540, 616, 694, 780, 868, 959, 1060, 1161, 1270, 1384, 1500, 1626, 1750, 1881, 2020, 2159, 2308, 2458, 2614, 2778, 2940, 3111, 3286, 3465, 3652, 3840, 4036, 4236, 4438, 4647, 4860, 5079, 5302
Offset: 0

Views

Author

Keywords

Formula

G.f.: (1 +2*x +4*x^2 +8*x^3 +9*x^4 +11*x^5 +13*x^6 +12*x^7 +11*x^8 +11*x^9 +8*x^10 +3*x^11 +2*x^12 +3*x^13 -4*x^14 +2*x^15) / ((1 -x)^3*(1 +x^2)*(1 +x^4)*(1 +x +x^2 +x^3 +x^4)). - Colin Barker, Dec 18 2015
G.f.: (1 + 3*x + 6*x^2 + 12*x^3 + 17*x^4 + 20*x^5 + 24*x^6 + 25*x^7 + 23*x^8 + 22*x^9 + 19*x^10 + 11*x^11 + 5*x^12 + 5*x^13 - x^14 - 2*x^15 + 2*x^16) / (1-x) / (1-x^5) / (1-x^8). - Sean A. Irvine, Mar 13 2018

A008032 Coordination sequence T1 for Zeolite Code APC.

Original entry on oeis.org

1, 4, 9, 19, 35, 53, 75, 102, 132, 168, 208, 250, 298, 351, 407, 469, 534, 601, 675, 752, 832, 919, 1009, 1103, 1203, 1305, 1410, 1520, 1634, 1753, 1878, 2007, 2138, 2274, 2414, 2556, 2704, 2856, 3012, 3176, 3343, 3511, 3684, 3860, 4040, 4227, 4417, 4611
Offset: 0

Views

Author

Keywords

References

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

A008033 Coordination sequence T2 for Zeolite Code APC.

Original entry on oeis.org

1, 4, 10, 20, 35, 54, 76, 104, 136, 171, 211, 254, 302, 355, 411, 471, 536, 606, 679, 756, 837, 922, 1013, 1107, 1204, 1307, 1414, 1525, 1640, 1758, 1881, 2009, 2141, 2276, 2416, 2561, 2709, 2862, 3018, 3178, 3344, 3513, 3686, 3864, 4046, 4232, 4422, 4616
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

  • Mathematica
    CoefficientList[Series[(1 + 3*x + 6*x^2 + 10*x^3 + 15*x^4 + 18*x^5 + 19*x^6 + 22*x^7 + 22*x^8 + 19*x^9 + 18*x^10 + 15*x^11 + 10*x^12 + 6*x^13 + 3*x^14 + x^15)/(1-x)/(1-x^5)/(1-x^9),{x,0,47}],x] (* Stefano Spezia, Dec 17 2022 *)

Formula

G.f.: (1 + x)*(1 + 2*x + 4*x^2 + 6*x^3 + 9*x^4 + 9*x^5 + 10*x^6 + 12*x^7 + 10*x^8 + 9*x^9 + 9*x^10 + 6*x^11 + 4*x^12 + 2*x^13 + x^14) / ((1 - x)^3*(1 + x + x^2)*(1 + x + x^2 + x^3 + x^4)*(1 + x^3 + x^6)). - Colin Barker, Dec 20 2015
G.f.: (1 + 3*x + 6*x^2 + 10*x^3 + 15*x^4 + 18*x^5 + 19*x^6 + 22*x^7 + 22*x^8 + 19*x^9 + 18*x^10 + 15*x^11 + 10*x^12 + 6*x^13 + 3*x^14 + x^15) / (1 - x) / (1 - x^5) / (1 - x^9). - Sean A. Irvine, Mar 13 2018
a(n) ~ 94*n^2/45. - Stefano Spezia, Dec 17 2022

A008034 Coordination sequence T1 for Zeolite Code APD.

Original entry on oeis.org

1, 4, 10, 21, 37, 57, 82, 112, 145, 184, 228, 275, 328, 385, 446, 512, 583, 658, 738, 823, 911, 1004, 1102, 1203, 1310, 1424, 1539, 1661, 1788, 1914, 2049, 2188, 2329, 2480, 2633, 2789, 2953, 3117, 3287, 3464, 3642, 3828, 4018, 4210, 4409, 4610, 4817, 5030
Offset: 0

Views

Author

Keywords

Formula

G.f.: (x^27+2*x^26+x^25-2*x^24-9*x^23-20*x^22-34*x^21-53*x^20-75*x^19-98*x^18-121*x^17-142*x^16-159*x^15-172*x^14-178*x^13-177*x^12-170*x^11-157*x^10-139*x^9-117*x^8-94*x^7-71*x^6-51*x^5-34*x^4-20*x^3-10*x^2-4*x-1)/(x^5-x^4+x-1)/(x^7-1)/(x^13+x^12+x^11-x^2-x-1).

A008035 Coordination sequence T2 for Zeolite Code APD.

Original entry on oeis.org

1, 4, 11, 22, 38, 59, 83, 113, 147, 186, 230, 278, 330, 386, 448, 513, 585, 660, 739, 824, 912, 1006, 1104, 1207, 1313, 1425, 1541, 1661, 1787, 1916, 2051, 2190, 2334, 2482, 2634, 2791, 2952, 3119, 3290, 3465, 3645, 3829, 4018, 4212, 4411, 4613, 4820, 5032
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^2)*(1 +3*x +7*x^2 +10*x^3 +14*x^4 +17*x^5 +20*x^6 +23*x^7 +24*x^8 +25*x^9 +24*x^10 +23*x^11 +20*x^12 +17*x^13 +14*x^14 +10*x^15 +7*x^16 +3*x^17 +x^18) / ((1-x)^3*(1 +x +x^2)*(1 +x +x^2 +x^3 +x^4 +x^5 +x^6)*(1 +x +x^2 +x^3 +x^4 +x^5 +x^6 +x^7 +x^8 +x^9 +x^10)). - Colin Barker, Dec 20 2015
G.f.: (1 + 4*x + 11*x^2 + 21*x^3 + 34*x^4 + 48*x^5 + 61*x^6 + 74*x^7 + 84*x^8 + 92*x^9 + 96*x^10 + 96*x^11 + 92*x^12 + 84*x^13 + 74*x^14 + 61*x^15 + 48*x^16 + 34*x^17 + 21*x^18 + 11*x^19 + 4*x^20 + x^21) / (1-x^3) / (1-x^7) / (1-x^11). - Sean A. Irvine, Mar 13 2018
Previous Showing 41-50 of 792 results. Next