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A276604 After a(0)=0, the first differences of A276623. 3
0, 2, 2, 4, 2, 2, 4, 4, 6, 2, 2, 4, 4, 4, 4, 6, 4, 6, 6, 4, 8, 2, 2, 4, 4, 4, 4, 6, 4, 6, 6, 4, 8, 6, 4, 8, 8, 4, 6, 6, 4, 8, 6, 4, 6, 8, 4, 8, 8, 10, 2, 2, 4, 4, 4, 4, 6, 4, 6, 6, 4, 8, 6, 4, 8, 8, 4, 6, 6, 4, 8, 6, 4, 6, 8, 4, 8, 8, 10, 6, 4, 6, 8, 4, 8, 8, 10, 8, 8, 10, 4, 6, 6, 4, 8, 6, 4, 6, 8, 4, 8, 8, 10, 6, 4, 6, 8, 4, 8, 8, 8, 8, 8, 10 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Antti Karttunen, Table of n, a(n) for n = 0..6250

FORMULA

a(n) = A053735(A276623(n)).

a(0) = 0; for n >= 1, a(n) = A276623(n) - A276623(n-1).

PROG

(Scheme, two alternatives)

(define (A276604 n) (A053735 (A276623 n)))

(define (A276604 n) (if (zero? n) n (- (A276623 n) (A276623 (- n 1)))))

CROSSREFS

Cf. A053735, A276623, A276605 (terms divided by 2).

Sequence in context: A093621 A242734 A143230 * A072301 A127171 A215655

Adjacent sequences:  A276601 A276602 A276603 * A276605 A276606 A276607

KEYWORD

nonn,base

AUTHOR

Antti Karttunen, Sep 11 2016

STATUS

approved

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Last modified November 12 19:19 EST 2018. Contains 317116 sequences. (Running on oeis4.)