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.

A358843 Numbers k such that A276086(k) == 5 (mod 6), where A276086 is the primorial base exp-function.

Original entry on oeis.org

6, 18, 36, 48, 66, 78, 96, 108, 126, 138, 156, 168, 186, 198, 210, 222, 234, 240, 252, 264, 270, 282, 294, 300, 312, 324, 330, 342, 354, 360, 372, 384, 390, 402, 414, 426, 438, 456, 468, 486, 498, 516, 528, 546, 558, 576, 588, 606, 618, 630, 642, 654, 660, 672, 684, 690, 702, 714, 720, 732, 744, 750
Offset: 1

Views

Author

Antti Karttunen, Dec 02 2022

Keywords

Crossrefs

Positions of 5's in A358840. Setwise difference A008588 \ A328632.
Cf. A358842 (characteristic function), A358844 (a(n)/6), A328586 (subsequence).

Programs

Formula

{k | A358840(k) == 5}.
a(n) = 6*A358844(n).