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A252751
Partial sums of A252750: a(0) = 0; for >= 1: a(n) = A252750(n) + a(n-1).
4
0, -1, -2, -1, -4, -1, 6, 17, 14, 15, 20, 41, 40, 79, 150, 199, 190, 195, 208, 231, 238, 283, 368, 455, 478, 525, 620, 773, 866, 1133, 1596, 1775, 1766, 1761, 1760, 1803, 1784, 1865, 2014, 2123, 2112, 2203, 2378, 2573, 2762, 3107, 3712, 4021, 3948, 4115, 4426, 4667, 5024, 5459, 6234, 6765, 7410, 7939, 8904, 9813, 10964, 12515, 15154, 15755, 15740
OFFSET
0,3
LINKS
FORMULA
a(0) = 0; for >= 1: a(n) = A252750(n) + a(n-1).
PROG
(Scheme, with memoization macro definec)
(definec (A252751 n) (if (zero? n) n (+ (A252750 n) (A252751 (- n 1)))))
CROSSREFS
Sequence in context: A263453 A108952 A088522 * A199744 A360870 A115124
KEYWORD
sign
AUTHOR
Antti Karttunen, Dec 21 2014
STATUS
approved