A320483 Row 4 of array in A320500.

1, 12, 30, 110, 382, 1270, 4298, 14560, 49204

Offset

1,2

Links

Table of n, a(n) for n=1..9.

Crossrefs

Cf. A320500.

Sequence in context: A371075 A383971 A286659 * A361468 A361467 A375701

Adjacent sequences: A320480 A320481 A320482 * A320484 A320485 A320486

Keyword

nonn,more

Author

N. J. A. Sloane, Oct 22 2018, based on email from Don Knuth, Oct 20 2018

Status

approved