A130839 Sequence related to factorizations and prime signatures: a(1) = 1; for n>1,a(n) = A108464(n) - 2*A050322(n).

1, 0, 0, 1, 1, 3, 2, 7, 5, 5, 8, 14, 14, 8, 20, 26, 32, 15, 40, 40, 45, 22, 47, 65, 23, 77, 94, 75, 63, 98, 122, 37, 135, 196, 120, 148, 188, 117, 216, 55, 226, 231, 187, 206, 377, 187, 310, 338, 286, 366, 83, 483, 375, 99, 454, 405, 683, 284, 598

Offset

1,6

Links

Table of n, a(n) for n=1..59.

Crossrefs

Cf. A131802 A050322.

Sequence in context: A191538 A361876 A080649 * A366565 A082318 A082317

Adjacent sequences: A130836 A130837 A130838 * A130840 A130841 A130842

Keyword

easy,nonn

Author

Alford Arnold, Jul 19 2007

Status

approved