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A276010
a(0) = 0, for n >= 1, a(n) = A275736(n) OR a(A257684(n)), where OR is given by A003986.
3
0, 1, 2, 3, 1, 1, 4, 5, 6, 7, 5, 5, 2, 3, 2, 3, 3, 3, 1, 1, 3, 3, 1, 1, 8, 9, 10, 11, 9, 9, 12, 13, 14, 15, 13, 13, 10, 11, 10, 11, 11, 11, 9, 9, 11, 11, 9, 9, 4, 5, 6, 7, 5, 5, 4, 5, 6, 7, 5, 5, 6, 7, 6, 7, 7, 7, 5, 5, 7, 7, 5, 5, 2, 3, 2, 3, 3, 3, 6, 7, 6, 7, 7, 7, 2, 3, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 3, 3, 1, 1, 5, 5, 7, 7, 5, 5, 3
OFFSET
0,3
FORMULA
a(0) = 0, for n >= 1, a(n) = A275736(n) OR a(A257684(n)), where OR is given by A003986.
a(n) = A087207(A275734(n)).
Other identities. For all n >= 1:
A000120(a(n)) = A060502(n).
PROG
(Scheme, two versions, first one using memoization-macro definec)
(definec (A276010 n) (if (zero? n) n (A003986bi (A275736 n) (A276010 (A257684 n))))) ;; Where A003986bi implements bitwise-OR (A003986)
(define (A276010 n) (A087207 (A275734 n)))
CROSSREFS
KEYWORD
nonn,look,base
AUTHOR
Antti Karttunen, Aug 17 2016
STATUS
approved