A266332 a(n) = A152392(n)/n for n>=1.

1, 2, 6, 24, 116, 642, 3954, 26528, 191368, 1468514, 11899358, 101177336, 898486540, 8299327770, 79481787362, 786962615104, 8036673996944, 84475005423394, 912287361123926, 10106308353804312, 114683674053106724, 1331405224273188370, 15795339232664163058, 191299235558676809056, 2362987021847135118872, 29744438703886126773794, 381251029053155869953294

Offset

1,2

Comments

A152392 = Column 0 of triangle A152391.

Links

Table of n, a(n) for n=1..27.

Crossrefs

Cf. A152392, A152391.

Sequence in context: A097483 A210591 A342141 * A007405 A324130 A324131

Adjacent sequences: A266329 A266330 A266331 * A266333 A266334 A266335

Keyword

nonn

Author

Paul D. Hanna, Jan 13 2016

Status

approved