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A280503
a(n) = A091255(n,A056539(n)).
4
1, 2, 3, 2, 5, 2, 7, 2, 9, 10, 1, 12, 1, 2, 15, 2, 17, 2, 1, 2, 21, 2, 3, 4, 1, 2, 27, 4, 3, 2, 31, 2, 33, 6, 7, 18, 1, 38, 5, 6, 1, 42, 3, 2, 45, 6, 1, 12, 7, 2, 51, 52, 3, 18, 1, 56, 5, 6, 1, 12, 1, 2, 63, 2, 65, 2, 1, 2, 1, 2, 3, 2, 73, 2, 15, 2, 3, 2, 7, 2, 1, 2, 9, 2, 85, 2, 1, 2, 3, 2, 1, 2, 93, 2, 5, 4, 1, 2, 99, 4, 9, 2, 1, 4, 15, 2, 107, 4, 1, 2, 3, 8
OFFSET
1,2
FORMULA
a(n) = A091255(n,A056539(n)).
Other identities. For all n >= 1:
a(A056539(n)) = a(n).
A048720(a(n), A280504(n)) = n.
PROG
(Scheme) (define (A280503 n) (A091255bi n (A056539 n))) ;; A091255bi implements the 2-argument GF(2)[X] GCD-function (A091255).
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Antti Karttunen, Jan 09 2017
STATUS
approved