A377873 Numbers k such that A276085(k) has at least one divisor of the form p^p, where A276085 is fully additive with a(p) = p#/p.

1, 9, 12, 15, 16, 20, 21, 25, 28, 33, 35, 39, 44, 49, 51, 52, 55, 57, 65, 68, 69, 76, 77, 81, 85, 87, 91, 92, 93, 95, 108, 111, 115, 116, 119, 121, 123, 124, 129, 133, 135, 141, 143, 144, 145, 148, 155, 159, 161, 164, 169, 172, 174, 177, 180, 183, 185, 187, 188, 189, 192, 201, 203, 205, 209, 212, 213, 215, 217, 219

Offset

1,2

Comments

Numbers k for which A276085(k) is in A100716.

1 is included as A276085(1) = 0, which is a multiple of all numbers of the form p^p.

Differs from A369002 for the first at a(53) = 174, the value which is not present at A369002.

Links

Antti Karttunen, Table of n, a(n) for n = 1..10000

Prog

(PARI) isA377873(n) = !A377868(n);

Crossrefs

Cf. A100716, A276085, A377868, A377869 (complement).

Subsequences: A369002, A377872.

Sequence in context: A138299 A050435 A176656 * A369002 A369976 A345498

Adjacent sequences: A377870 A377871 A377872 * A377874 A377875 A377876

Keyword

nonn

Author

Antti Karttunen, Nov 10 2024

Status

approved