login
A358843
Numbers k such that A276086(k) == 5 (mod 6), where A276086 is the primorial base exp-function.
4
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
1,1
FORMULA
{k | A358840(k) == 5}.
a(n) = 6*A358844(n).
PROG
(PARI) isA358843(n) = A358842(n);
CROSSREFS
Positions of 5's in A358840. Setwise difference A008588 \ A328632.
Cf. A358842 (characteristic function), A358844 (a(n)/6), A328586 (subsequence).
Sequence in context: A110965 A111147 A333821 * A328586 A172522 A152539
KEYWORD
nonn
AUTHOR
Antti Karttunen, Dec 02 2022
STATUS
approved