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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A134256 Positions of 6 after decimal point in decimal expansion of 1/Pi.

Original entry on oeis.org

9, 16, 23, 27, 38, 61, 74, 88, 96, 106, 117, 127, 149, 154, 177, 190, 216, 235, 236, 239, 292, 303, 312, 322, 336, 337, 339, 344, 345, 361, 377, 406, 413, 417, 444, 446, 471, 487, 488, 492, 496, 508, 511, 522, 526, 532, 549, 555, 559, 568, 570, 576, 578, 589
Offset: 1

Views

Author

Artur Jasinski, Oct 16 2007

Keywords

Links

Crossrefs

Cf. A037000, A014777, A134251, A134252, A134253, A134254, A134255, A134257, A134258, A134259, A134260.

Programs

  • Mathematica
    Flatten @ Position[RealDigits[1/Pi, 10, 500][[1]], 6] (* Amiram Eldar, Mar 21 2020 *)

A134257 Positions of 7 after decimal point in decimal expansion of 1/Pi.

Original entry on oeis.org

13, 17, 21, 22, 24, 28, 34, 54, 66, 67, 80, 87, 98, 119, 121, 135, 139, 155, 161, 167, 184, 194, 195, 199, 202, 208, 217, 220, 228, 238, 262, 266, 273, 281, 287, 290, 296, 300, 318, 326, 334, 356, 369, 374, 376, 383, 395, 396, 400, 404, 408, 414, 415, 430, 434
Offset: 1

Views

Author

Artur Jasinski, Oct 16 2007

Keywords

Links

Crossrefs

Cf. A037000, A014777, A134251, A134252, A134253, A134254, A134255, A134256, A134258, A134259, A134260.

Programs

  • Mathematica
    Flatten @ Position[RealDigits[1/Pi, 10, 500][[1]], 7] (* Amiram Eldar, Mar 21 2020 *)

A134258 Positions of 8 after decimal point in decimal expansion of 1/Pi.

Original entry on oeis.org

3, 7, 8, 11, 33, 39, 47, 52, 62, 63, 75, 83, 107, 122, 124, 145, 156, 159, 166, 169, 171, 187, 200, 215, 221, 224, 231, 243, 256, 257, 263, 268, 282, 283, 286, 289, 293, 294, 307, 310, 311, 313, 327, 349, 366, 367, 390, 392, 402, 405, 420, 427, 428, 445, 477
Offset: 1

Views

Author

Artur Jasinski, Oct 16 2007

Keywords

Links

Crossrefs

Cf. A037000, A014777, A134251, A134252, A134253, A134254, A134255, A134256, A134257, A134259, A134260.

Programs

  • Mathematica
    Flatten[Position[RealDigits[1/Pi,10,500][[1]],8]] (* Harvey P. Dale, Jun 07 2012 *)

A134259 Positions of 9 after decimal point in decimal expansion of 1/Pi.

Original entry on oeis.org

6, 14, 40, 42, 44, 49, 53, 56, 68, 71, 100, 115, 128, 132, 142, 152, 153, 162, 163, 182, 185, 203, 209, 248, 249, 259, 274, 280, 305, 306, 308, 317, 323, 328, 330, 335, 341, 348, 355, 358, 363, 365, 368, 381, 388, 397, 398, 407, 411, 412, 419, 422, 423, 424
Offset: 1

Views

Author

Artur Jasinski, Oct 16 2007

Keywords

Links

Crossrefs

Cf. A037000, A014777, A134251, A134252, A134253, A134254, A134255, A134256, A134257, A134258, A134260.

Programs

  • Mathematica
    Position[RealDigits[1/Pi,10,500][[1]],9]//Flatten (* Harvey P. Dale, Oct 31 2018 *)

A134260 Positions of 10 after decimal point in decimal expansion of 1/Pi.

Original entry on oeis.org

297, 459, 509, 519, 605, 860, 1105, 1149, 1172, 1198, 1295, 1663, 1814, 1822, 1826, 1998, 2242, 2279, 2311, 2318, 2481, 2827, 3198, 3345, 3352, 3411, 3550, 3823, 3835, 3900, 3911, 4104, 4228, 4329, 4340, 4368, 4519, 4534, 4563, 4584, 4690, 4707, 4740, 5013, 5044
Offset: 1

Views

Author

Artur Jasinski, Oct 16 2007

Keywords

Links

Crossrefs

Cf. A037000, A014777, A134251, A134252, A134253, A134254, A134255, A134256, A134257, A134258, A134259.

Programs

  • Mathematica
    First /@ SequencePosition[RealDigits[1/Pi, 10, 5000][[1]], {1, 0}] (* Amiram Eldar, Mar 20 2020 *)

Extensions

More terms from Amiram Eldar, Mar 20 2020

A078197 Position of the start of the first occurrence of n after the decimal point in e = 2.71828182845904523536...

Original entry on oeis.org

13, 2, 4, 17, 10, 11, 20, 1, 3, 12, 195, 200, 370, 27, 223, 201, 94, 88, 2, 108, 111, 87, 252, 16, 33, 92, 30, 62, 4, 131, 71, 189, 110, 142, 143, 17, 19, 270, 85, 106, 66, 124, 97, 134, 239, 10, 103, 25, 228, 34, 235, 93, 15, 18, 76, 301, 153, 38, 325, 11, 20, 242, 32
Offset: 0

Views

Author

Amarnath Murthy, Nov 21 2002

Keywords

Examples

			a(3) = 17 as 3 first occurs in the 17th place after decimal in e. a(18) = 2 = a(182).

Links

Crossrefs

Cf. A001113, A014777, A143504.

Programs

  • Magma
    k := 400; R := RealField(k); [ Position(IntegerToString(Round(10^k*(-2 + Exp(elt)))), IntegerToString(n)) : n in [0..62] ]; /* Klaus Brockhaus, Feb 15 2007 */
  • Mathematica
    With[{estr=ToString[FromDigits[Rest[RealDigits[E,10,500][[1]]]]]}, Transpose[ Table[First[StringPosition[estr,ToString[n]]],{n,0,80}]][[1]]]  (* Harvey P. Dale, Dec 20 2010 *)
With[{ee=Rest[RealDigits[E,10,500][[1]]]},Transpose[ Flatten[ Table[ SequencePosition[ee,IntegerDigits[ n],1],{n,0,70}],1]][[1]]] (* The program uses the SequencePosition function from Mathematica version 10 *) (* Harvey P. Dale, Mar 17 2016 *)
  • Python
    from sympy import E
digits_of_e = str(E.n(10**5))[1:-1] # raise to 10**6 for b-file
def a(n):
    nloc = digits_of_e.find(str(n))
    assert nloc > 0, ("Increase precision", n)
    return nloc
print([a(n) for n in range(63)]) # Michael S. Branicky, Jul 10 2022

Extensions

More terms from Mark Hudson (mrmarkhudson(AT)hotmail.com), Sep 01 2004

A050208 Starting positions of strings of 2 1's in the decimal expansion of Pi.

Original entry on oeis.org

94, 153, 154, 174, 362, 395, 427, 437, 445, 494, 709, 758, 846, 921, 983, 984, 1129, 1185, 1349, 1503, 1534, 1656, 1849, 1896, 2458, 2497, 2724, 2740, 2779, 2904, 3253, 3398, 3493, 3503, 3504, 3534, 3735, 3822, 3844, 3847, 3963, 3992, 3993
Offset: 1

Views

Author

Eric W. Weisstein

Keywords

Links

Crossrefs

Cf. A037008, A037000, A037001, A037002, A037003, A037004, A037005, A036974, A037006, A037007, A014777, A134212, A134213, A134214, A134215, A134216, A134217, A134218, A134218, A134219.

Programs

Extensions

Edited by N. J. A. Sloane, Aug 10 2010

A134212 Positions of 12 after decimal point in decimal expansion of Pi.

Original entry on oeis.org

148, 220, 243, 297, 483, 499, 607, 660, 710, 712, 963, 1080, 1199, 1299, 1350, 1425, 1843, 1864, 1924, 2013, 2287, 2295, 2307, 2341, 2498, 2632, 2938, 2976, 3258, 3322, 3328, 3346, 3426, 3455, 3499, 3690, 3713, 3823, 3892, 4056, 4160, 4220, 4252, 4372, 4414, 4450
Offset: 1

Views

Author

Artur Jasinski, Oct 14 2007

Keywords

Links

Crossrefs

Cf. A037008, A037000, A037001, A037002, A037003, A037004, A037005, A036974, A037006, A037007, A014777, A050208, A134213, A134214, A134215, A134216, A134217, A134218, A134218, A134219.

Programs

  • Mathematica
    First /@ SequencePosition[RealDigits[Pi - 3, 10, 5000][[1]], {1, 2}] (* Amiram Eldar, Mar 20 2020 *)

Extensions

More terms from Amiram Eldar, Mar 20 2020

A134213 Positions of 13 after decimal point in decimal expansion of Pi.

Original entry on oeis.org

110, 281, 363, 381, 525, 598, 627, 734, 744, 759, 859, 971, 1076, 1096, 1186, 1304, 1653, 1666, 1928, 1967, 1985, 2080, 2197, 2311, 2428, 2545, 2619, 2677, 2727, 2741, 2752, 2849, 3043, 3157, 3466, 3505, 3616, 3761, 3794, 3828, 3902, 4112, 4213, 4245, 4381
Offset: 1

Views

Author

Artur Jasinski, Oct 14 2007

Keywords

Links

Crossrefs

Cf. A000796, A037008, A037000, A037001, A037002, A037003, A037004, A037005, A036974, A037006, A037007, A014777, A050208, A134212, A134214, A134215, A134216, A134217, A134218, A134218, A134219.

Programs

  • Mathematica
    First /@ SequencePosition[RealDigits[Pi - 3, 10, 5000][[1]], {1, 3}] (* Amiram Eldar, Mar 20 2020 *)

A134214 Positions of 14 after decimal point in decimal expansion of Pi.

Original entry on oeis.org

1, 103, 250, 295, 385, 610, 651, 670, 882, 895, 1382, 1612, 1628, 1636, 1638, 1696, 1812, 2067, 2118, 2121, 2331, 2539, 2606, 2666, 2685, 2725, 2763, 2782, 2844, 2888, 2916, 2966, 2971, 3013, 3034, 3096, 3125, 3135, 3186, 3237, 3250, 3325, 3362, 3475, 3497
Offset: 1

Views

Author

Artur Jasinski, Oct 14 2007

Keywords

Links

Crossrefs

Cf. A000796, A037008, A037000, A037001, A037002, A037003, A037004, A037005, A036974, A037006, A037007, A014777, A050208, A134212, A134213, A134215, A134216, A134217, A134218, A134218, A134219.

Programs

  • Mathematica
    First /@ SequencePosition[RealDigits[Pi - 3, 10, 5000][[1]], {1, 4}] (* Amiram Eldar, Mar 20 2020 *)
Previous Showing 11-20 of 44 results. Next

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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