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A130839 Sequence related to factorizations and prime signatures: a(1) = 1; for n>1,a(n) = A108464(n) - 2*A050322(n). 1
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,6

LINKS

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

CROSSREFS

Cf. A131802 A050322.

Sequence in context: A191447 A191538 A080649 * A082318 A082317 A163915

Adjacent sequences:  A130836 A130837 A130838 * A130840 A130841 A130842

KEYWORD

easy,nonn

AUTHOR

Alford Arnold, Jul 19 2007

STATUS

approved

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Last modified June 25 10:28 EDT 2021. Contains 345453 sequences. (Running on oeis4.)