A059726 Row sums of A059720.

1, 1, 3, 13, 69, 457, 3579, 32521, 335853, 3888823, 49902045, 703123621, 10793341131, 179315984983, 3205886624445, 61375996359973, 1252826360392317, 27162281897430607, 623375610559904343, 15098095476369328345, 384854289897145441635, 10299091666341922887571

Offset

0,3

Comments

I would very much like to find a formula for this. - N. J. A. Sloane

Links

Table of n, a(n) for n=0..21.

Crossrefs

Cf. A059720.

Sequence in context: A007808 A104989 A119906 * A274379 A192209 A154677

Adjacent sequences: A059723 A059724 A059725 * A059727 A059728 A059729

Keyword

nonn

Author

N. J. A. Sloane, Feb 09 2001

Extensions

More terms from Sean A. Irvine, Oct 04 2022

Status

approved