login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A275807
a(n) = A275725(n)/2.
3
1, 2, 9, 4, 6, 4, 75, 50, 27, 8, 12, 8, 45, 20, 27, 8, 18, 8, 30, 20, 18, 8, 12, 8, 735, 490, 441, 196, 294, 196, 375, 250, 81, 16, 24, 16, 135, 40, 81, 16, 54, 16, 60, 40, 36, 16, 24, 16, 525, 350, 189, 56, 84, 56, 375, 250, 81, 16, 24, 16, 225, 100, 81, 16, 36, 16, 150, 100, 54, 16, 24, 16, 315, 140, 189, 56, 126, 56, 225, 100, 81, 16, 36, 16
OFFSET
0,2
FORMULA
a(n) = A275725(n)/2.
PROG
(Scheme) (define (A275807 n) (/ (A275725 n) 2))
CROSSREFS
Cf. A153880 (positions of odd terms), A273670 (positions of even terms).
Sequence in context: A332091 A203648 A300889 * A202324 A199267 A115290
KEYWORD
nonn
AUTHOR
Antti Karttunen, Aug 11 2016
STATUS
approved