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 1-2 of 2 results.

A338222 The index of prime(n) in A337182.

Original entry on oeis.org

2, 13, 36, 76, 188, 269, 450, 555, 815, 1272, 1456, 2043, 2504, 2767, 3303, 4210, 5196, 5567, 6716, 7530, 7972, 9340, 10315, 11855, 14112, 15296, 15927, 17209, 17866, 19235, 24331, 25888, 28357, 29197, 33630, 34547, 37337, 40282, 42316, 45467, 48720, 49830, 55564, 56726, 59151, 60403, 67908
Offset: 1

Views

Author

Scott R. Shannon, Jan 30 2021

Keywords

Examples

			a(2) = 13 as A337182(13) = 3 = prime(2).
a(3) = 36 as A337182(36) = 5 = prime(3).

Crossrefs

Cf. A337182, A098550, A336957, A064413, A027746.

A340989 The index of A337182 where prime(n) first appears as a factor.

Original entry on oeis.org

2, 4, 7, 9, 18, 21, 24, 29, 32, 49, 51, 55, 60, 62, 72, 85, 92, 95, 104, 107, 110, 118, 127, 135, 146, 164, 166, 169, 176, 179, 202, 205, 218, 220, 232, 237, 247, 262, 265, 279, 287, 290, 303, 306, 309, 313, 328, 339, 347, 350, 355, 363, 366, 399, 403, 412, 418, 424, 433, 441, 443, 456, 476, 479
Offset: 1

Views

Author

Scott R. Shannon, Feb 01 2021

Keywords

Comments

a(1) = 2 as A337182(2) = 2 which contains prime(1) = 2 as a factor.
a(2) = 4 as A337182(4) = 6 which contains prime(2) = 3 as a factor.
a(3) = 7 as A337182(7) = 10 which contains prime(3) = 5 as a factor.
a(4) = 9 as A337182(9) = 14 which contains prime(4) = 7 as a factor.

Crossrefs

Cf. A337182, A338222, A098550, A336957, A064413, A027746.
Showing 1-2 of 2 results.

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