A272687 First differences of A078482.

1, 1, 4, 14, 50, 184, 694, 2670, 10440, 41374, 165830, 671084, 2738334, 11254362, 46547340, 193592830, 809165002, 3397135168, 14319385126, 60576862358, 257109077584, 1094541239294, 4672423779086, 19996407893908, 85778157486910, 368757697819570, 1588465839532628, 6855304750273902

Offset

0,3

Links

Table of n, a(n) for n=0..27.

Crossrefs

Cf. A078482, A272686 (second differences).

Sequence in context: A211308 A087945 A051924 * A076024 A062807 A363507

Adjacent sequences: A272684 A272685 A272686 * A272688 A272689 A272690

Keyword

nonn

Author

N. J. A. Sloane, May 24 2016

Status

approved