A290084 a(1) = a(2) = 1; for n > 2, a(n) = A000010(n) / A270492(n).

1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 4, 4, 1, 1, 1, 4, 6, 1, 1, 4, 1, 1, 1, 6, 1, 4, 1, 8, 10, 1, 12, 6, 1, 1, 12, 8, 1, 6, 1, 10, 12, 1, 1, 8, 1, 1, 16, 12, 1, 1, 20, 12, 18, 1, 1, 8, 1, 1, 6, 16, 12, 10, 1, 16, 22, 12, 1, 12, 1, 1, 20, 18, 30, 12, 1, 16, 1, 1, 1, 12, 16, 1, 28, 20, 1, 12, 12, 22, 30, 1, 36, 16, 1, 1, 30, 20, 1, 16, 1, 24, 24

Offset

1,8

Links

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

Formula

a(1) = a(2) = 1; for n > 2, a(n) = A000010(n) / A270492(n).

Prog

(Scheme) (define (A290084 n) (if (<= n 2) 1 (/ (A000010 n) (A270492 n))))

Crossrefs

Cf. A000010, A034380, A270492.

Sequence in context: A249949 A155798 A055652 * A154844 A351089 A133831

Adjacent sequences: A290081 A290082 A290083 * A290085 A290086 A290087

Keyword

nonn

Author

Antti Karttunen, Aug 07 2017

Status

approved