A093630 Central terms of triangle A093628, in which the diagonals are equal to the Euler transform of the rows.

1, 2, 4, 13, 39, 159, 657, 3192, 16935, 98296, 631531, 4320963, 32517883, 257323288, 2216360166, 19945970812, 193524780624, 1952830925615, 21070751003175, 235689971665480, 2800003524200187, 34386283795145455, 445955787460382981

Offset

0,2

Comments

These are the central terms of the even-indexed rows of triangle A093628.

Links

Table of n, a(n) for n=0..22.

Crossrefs

Cf. A093628, A093629.

Sequence in context: A148253 A148254 A163137 * A033091 A282741 A133453

Adjacent sequences: A093627 A093628 A093629 * A093631 A093632 A093633

Keyword

nonn

Author

Paul D. Hanna, Apr 06 2004

Status

approved