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.

Showing 1-10 of 10 results.

A134252 Positions of 2 after decimal point in decimal expansion of 1/Pi.

Original entry on oeis.org

26, 32, 35, 43, 51, 73, 85, 86, 93, 102, 125, 129, 130, 131, 146, 183, 204, 212, 218, 229, 233, 241, 242, 260, 276, 277, 284, 309, 331, 332, 351, 357, 359, 389, 393, 403, 409, 425, 438, 447, 448, 458, 479, 482, 505, 534, 540, 550, 562, 564, 577, 581, 612, 620
Offset: 1

Views

Author

Artur Jasinski, Oct 16 2007

Keywords

Links

Crossrefs

Cf. A037000, A014777, A134251, A134253, A134254, A134255, A134256, A134257, A134258, A134259, A134260.

Programs

  • Mathematica
    Flatten[Position[RealDigits[1/Pi,10,700][[1]],2]] (* Harvey P. Dale, Apr 22 2014 *)

A134253 Positions of 3 after decimal point in decimal expansion of 1/Pi.

Original entry on oeis.org

1, 4, 12, 20, 58, 59, 69, 78, 92, 111, 120, 126, 136, 143, 150, 151, 164, 165, 186, 193, 197, 206, 211, 213, 214, 225, 234, 247, 254, 261, 267, 271, 288, 319, 342, 352, 353, 354, 364, 370, 373, 378, 384, 386, 387, 416, 421, 436, 439, 449, 452, 455, 457, 462
Offset: 1

Views

Author

Artur Jasinski, Oct 16 2007

Keywords

Links

Crossrefs

Cf. A037000, A014777, A134251, A134252, A134254, A134255, A134256, A134257, A134258, A134259, A134260.

Programs

  • Mathematica
    Flatten[Position[RealDigits[1/Pi,10,500][[1]],3]] (* Harvey P. Dale, Sep 18 2013 *)

A134254 Positions of 4 after decimal point in decimal expansion of 1/Pi.

Original entry on oeis.org

29, 36, 46, 55, 60, 76, 104, 109, 144, 148, 157, 160, 168, 176, 181, 196, 198, 205, 207, 219, 223, 226, 227, 237, 244, 245, 253, 272, 278, 301, 302, 316, 320, 321, 325, 338, 347, 372, 380, 391, 401, 426, 437, 456, 475, 498, 513, 523, 524, 527, 537, 542, 547
Offset: 1

Views

Author

Artur Jasinski, Oct 16 2007

Keywords

Links

Crossrefs

Cf. A037000, A014777, A134251, A134252, A134253, A134255, A134256, A134257, A134258, A134259, A134260.

Programs

  • Mathematica
    Flatten[Position[RealDigits[1/\[Pi] ,10,1000][[1]],4]]  (* Harvey P. Dale, Mar 20 2011 *)

A134255 Positions of 5 after decimal point in decimal expansion of 1/Pi.

Original entry on oeis.org

19, 25, 30, 57, 70, 72, 77, 90, 91, 94, 105, 108, 110, 112, 114, 123, 134, 138, 140, 141, 158, 173, 174, 179, 180, 188, 192, 201, 210, 230, 246, 250, 270, 291, 299, 324, 343, 360, 375, 382, 429, 431, 440, 450, 454, 465, 484, 490, 512, 517, 518, 529, 530, 531
Offset: 1

Views

Author

Artur Jasinski, Oct 16 2007

Keywords

Links

Crossrefs

Cf. A037000, A014777, A134251, A134252, A134253, A134254, A134256, A134257, A134258, A134259, A134260.

Programs

  • Mathematica
    Flatten @ Position[RealDigits[1/Pi, 10, 500][[1]], 5] (* Amiram Eldar, Mar 21 2020 *)

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

A100080 Position of first occurrence of n after the decimal point in the decimal expansion of 1/Pi.

Original entry on oeis.org

5, 2, 26, 1, 29, 19, 9, 13, 3, 6, 297, 64, 50, 385, 45, 18, 116, 65, 2, 41, 393, 102, 85, 125, 35, 93, 26, 86, 32, 43, 4, 1, 92, 58, 59, 69, 126, 12, 165, 151, 36, 717, 437, 196, 226, 29, 60, 160, 46, 55, 30, 112, 25, 19, 108, 90, 105, 134, 123, 70, 88, 9, 446, 149, 236, 511
Offset: 0

Views

Author

Mark Hudson (mrmarkhudson(AT)hotmail.com), Nov 03 2004

Keywords

Comments

a(0) = A133268(1),
a(1) = A134251(1),
a(2) = A134252(1),
a(3) = A134253(1),
a(4) = A134254(1),
a(5) = A134255(1),
a(6) = A134256(1),
a(7) = A134257(1),
a(8) = A134258(1),
a(9) = A134259(1),
a(10) = A134260(1). - Artur Jasinski, Oct 16 2007

Examples

			1/Pi = 0.31830988618379067153776752674... so the first occurrence of 0 after the decimal point is at position 5; first occurrence of 1 is at position 2; first occurrence of 2 is at position 26; etc.

Crossrefs

Cf. A032445 and A014777 for Pi, A078197 for e. Digits of 1/Pi=A049541.
Cf. A037000, A014777, A133268, A134251, A134252, A134253, A134254, A134255, A134256, A134257, A134258, A134259, A134260.

Programs

  • Mathematica
    Table[ SequencePosition[#, IntegerDigits@ n][[1, 1]], {n, 0, 65}] &@ First@ RealDigits@ N[1/Pi, 10^4] (* James C. McMahon, Feb 06 2024 *)

Extensions

Edited by N. J. A. Sloane, Jun 30 2008 at the suggestion of R. J. Mathar
Showing 1-10 of 10 results.

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

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