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After a(0)=0, the first differences of A276613.
2

%I #5 Sep 08 2016 17:53:56

%S 0,7,7,7,5,7,7,7,5,7,4,7,7,7,5,7,7,7,5,9,7,7,7,5,7,7,7,5,7,4,7,7,7,7,

%T 7,7,7,5,7,7,7,5,7,4,7,7,7,5,7,7,12,9,3,7,7,7,5,7,7,7,5,7,4,7,7,7,5,7,

%U 7,12,9,7,7,7,5,7,7,5,7,7,7,5,7,7,7,5,7,4,7,7,7,5,7,7,12,9,7,7,7,5,7,7,12,11,7,7,7,7,2

%N After a(0)=0, the first differences of A276613.

%H Antti Karttunen, <a href="/A276615/b276615.txt">Table of n, a(n) for n = 0..10236</a>

%F a(n) = A055401(A276613(n)).

%F a(0) = 0; for n >= 1, a(n) = A276613(n) - A276613(n-1).

%o (Scheme, two alternatives)

%o (define (A276615 n) (A055401 (A276613 n)))

%o (define (A276615 n) (if (zero? n) n (- (A276613 n) (A276613 (- n 1)))))

%Y Cf. A055401, A276613.

%K nonn

%O 0,2

%A _Antti Karttunen_, Sep 07 2016