A255489 Row 3 of array in A211400.

1, 5, 36, 295, 2583, 23580, 221680

Offset

1,2

Comments

Row 2 gives the Catalan numbers, which automatically makes row 3 interesting.

Links

Table of n, a(n) for n=1..7.

Crossrefs

Cf. A000108, A211400.

Sequence in context: A332624 A027331 A357153 * A091161 A364765 A135149

Adjacent sequences: A255486 A255487 A255488 * A255490 A255491 A255492

Keyword

nonn,more

Author

N. J. A. Sloane, Mar 01 2015

Status

approved