A280492 a(1) = 0; for n > 1, a(n) = A246277(n) - A078898(n).

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

Antti Karttunen, Table of n, a(n) for n = 1..8192

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

Cf. A078898, A083221, A246277, A246278, A249820.

Cf. also A278523, A279350, A280497, A280498.

Sequence in context: A340977 A180989 A075444 * A089371 A318679 A133886

Adjacent sequences: A280489 A280490 A280491 * A280493 A280494 A280495

Keyword

sign

Author

Antti Karttunen, Jan 09 2017

Status

approved