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 1-9 of 9 results.

A031068 Position of n-th 0 in A031067.

Original entry on oeis.org

6, 20, 36, 40, 42, 44, 56, 73, 83, 90, 110, 112, 115, 121, 126, 139, 153, 156, 159, 172, 174, 175, 182, 188, 201, 210, 211, 213, 215, 237, 245, 261, 275, 278, 279, 313, 319, 323, 334, 341, 351, 353, 385, 392, 409, 411, 416, 426
Offset: 1

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A031069 Position of n-th 1 in A031067.

Original entry on oeis.org

1, 5, 7, 15, 17, 23, 26, 27, 28, 31, 43, 45, 48, 50, 67, 68, 79, 85, 92, 93, 99, 107, 109, 114, 120, 128, 146, 150, 151, 160, 163, 164, 166, 168, 177, 180, 194, 196, 197, 206, 217, 221, 227, 236, 240, 247, 260, 268, 277, 281, 284
Offset: 1

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A031070 Position of n-th 2 in A031067.

Original entry on oeis.org

2, 9, 12, 18, 19, 30, 46, 53, 57, 59, 70, 74, 75, 76, 78, 91, 103, 122, 135, 136, 140, 169, 170, 181, 184, 186, 190, 231, 232, 241, 246, 254, 258, 263, 264, 265, 274, 286, 303, 304, 309, 312, 314, 322, 340, 342, 347, 352, 362, 366
Offset: 1

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A031071 Position of n-th 3 in A031067.

Original entry on oeis.org

3, 16, 21, 33, 34, 35, 41, 55, 69, 80, 98, 106, 108, 117, 118, 123, 130, 132, 141, 145, 149, 161, 178, 193, 195, 216, 229, 234, 238, 242, 250, 256, 266, 270, 273, 292, 298, 315, 320, 326, 360, 361, 365, 375, 396, 397, 398, 408
Offset: 1

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A031072 Position of n-th 4 in A031067.

Original entry on oeis.org

11, 29, 58, 60, 71, 72, 77, 95, 102, 125, 131, 134, 142, 144, 147, 162, 185, 222, 224, 251, 267, 269, 272, 285, 288, 289, 296, 299, 301, 311, 318, 325, 333, 337, 345, 380, 387, 389, 393, 412, 421, 424, 425, 433, 434, 436, 439
Offset: 1

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A031073 Position of n-th 5 in A031067.

Original entry on oeis.org

4, 8, 10, 22, 24, 38, 39, 47, 49, 51, 52, 54, 61, 81, 82, 86, 89, 94, 96, 101, 105, 111, 113, 116, 119, 127, 129, 137, 155, 171, 176, 200, 203, 204, 205, 219, 220, 225, 226, 230, 235, 239, 248, 249, 255, 276, 283, 293, 300, 306, 317
Offset: 1

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Crossrefs

Cf. A031067.

A031074 Position of n-th 6 in A031067.

Original entry on oeis.org

13, 63, 66, 84, 97, 104, 124, 138, 148, 157, 158, 179, 187, 189, 198, 202, 209, 212, 218, 223, 228, 244, 253, 259, 262, 271, 294, 297, 307, 308, 310, 316, 327, 348, 357, 358, 370, 372, 373, 376, 388, 394, 399, 401, 420, 427, 450
Offset: 1

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A031075 Position of n-th 7 in A031067.

Original entry on oeis.org

14, 25, 32, 37, 62, 64, 65, 87, 88, 100, 133, 143, 152, 154, 165, 167, 173, 183, 191, 192, 199, 207, 208, 214, 233, 243, 252, 257, 280, 282, 287, 305, 324, 331, 344, 355, 356, 400, 404, 407, 413, 417, 447, 449, 458, 463, 467, 489
Offset: 1

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A031111 Write the (n+1)st Fibonacci number in base 9 and juxtapose.

Original entry on oeis.org

1, 2, 3, 5, 8, 1, 4, 2, 3, 3, 7, 6, 1, 1, 0, 8, 1, 7, 0, 2, 7, 8, 4, 5, 8, 7, 4, 7, 1, 3, 1, 6, 2, 1, 6, 4, 3, 4, 8, 1, 5, 6, 5, 5, 1, 0, 2, 4, 6, 1, 6, 0, 1, 2, 2, 6, 2, 5, 8, 4, 3, 2, 7, 1, 7, 0, 5, 4, 0, 1, 2, 3, 8, 2, 1, 2, 0, 4, 4, 6, 1, 3, 2, 8, 3, 8, 2, 5, 3, 3
Offset: 1

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Examples

			A004692(25..28) = 123821, 204461, 328382, 533853. - _Georg Fischer_, Jun 21 2019
		

Crossrefs

Cf. A004692 (Fibonacci numbers written in base 9).
Similar sequences in base 3 (A030363), 4 (A030413), 6 (A030604), 7 (A031027), 8 (A031067), 5 (A031269).

Programs

  • Magma
    &cat[Reverse(Intseq(Fibonacci(k),9)):k in [2..28]]; // Marius A. Burtea, Jun 21 2019
  • Mathematica
    Flatten[IntegerDigits[#,9]&/@Fibonacci[Range[30]]] (* Harvey P. Dale, Jan 13 2024 *)

Extensions

a(88)-a(90) corrected by Georg Fischer, Jun 21 2019
Showing 1-9 of 9 results.