A354814 Positions of +4's in A346242.

20, 936, 1224, 1250, 1368, 1656, 2088, 2232, 2664, 2952, 3096, 3384, 3816, 4248, 4392, 4824, 5112, 5256, 5688, 5976, 6408, 6984, 7272, 7416, 7704, 7848, 8136, 9144, 9432, 9864, 10008, 10728, 10872, 11304, 11736, 11780, 12024, 12456, 12888, 13032, 13752, 13896, 14060, 14184, 14328, 15192, 16056, 16340, 16344, 16488

Offset: 1

Author

Antti Karttunen, Jun 07 2022

Keywords

• nonn

Comments

a(56) = 18785 is the first odd term.

Of the first 20000 terms, 11849 are multiples of 72, and apparently, for any prime p >= 13, 72*p is included in this sequence. - Antti Karttunen, May 24 2024

Links

• Antti Karttunen, Table of n, a(n) for n = 1..20000
• Index entries for sequences related to primorial base

Crossrefs

Cf. A346242.

Cf. also A372564.

Programs

PARI

isA354814(n) = (4==A346242(n));