A298948 Expansion of Product_{k>=1} (1 - x^prime(k))^2.

1, 0, -2, -2, 1, 2, 1, 0, 2, 2, -2, -6, -2, 2, 2, 0, 3, 2, -1, -6, -2, 2, 3, -2, 4, 6, 0, -10, -4, 0, 4, -2, 5, 8, 6, -12, -6, -4, -1, -6, 12, 10, 8, -12, -4, -4, 1, -18, 11, 18, 15, -20, -2, -8, 7, -18, 8, 12, 29, -24, 2, -8, 3, -34, 21, 6, 29, -32, 5, -8, 31, -52

Offset

0,3

Comments

Self-convolution of A046675.

Links

Table of n, a(n) for n=0..71.

Crossrefs

Cf. A046675, A280245, A298436.

Sequence in context: A084348 A210580 A284478 * A085906 A221649 A090406

Adjacent sequences: A298945 A298946 A298947 * A298949 A298950 A298951

Keyword

sign

Author

Seiichi Manyama, Jan 30 2018

Status

approved