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A280492
a(1) = 0; for n > 1, a(n) = A246277(n) - A078898(n).
4
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, -2, 0, 0, 0, 0, 0, 4, 0, 0, 0, 1, 0, 7, 0, 0, 0, 0, 0, -1, 0, 2, 0, 0, 0, 7, 0, 0, 0, 0, 0, -4, 0, 0, 0, 0, 0, -6, 0, 0, 0, 5, 0, 8, 0, 0, 0, 1, 0, 13, 0, 6, 0, 0, 0, -3, 0, 0, 0, 0, 0, -3, 0, 0, 0, 0, 0, 12, 0, 0, 0, 9, 0, 2, 0, 2
OFFSET
1,39
COMMENTS
For n > 1, a(n) gives the difference of column positions of n's location in arrays A246278 and A083221. Note that any n occurs on the same row in both arrays.
LINKS
FORMULA
a(1) = 0; for n > 1, a(n) = A246277(n) - A078898(n).
PROG
(Scheme) (define (A280492 n) (if (= 1 n) 0 (- (A246277 n) (A078898 n))))
CROSSREFS
KEYWORD
sign
AUTHOR
Antti Karttunen, Jan 09 2017
STATUS
approved