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A133158 Binomial transform of A126568, second binomial transform of A026641 . 3
1, 3, 12, 57, 294, 1578, 8658, 48177, 270774 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

COMMENTS

The Hankel transform of this sequence is 3^n (see A000244) .

CROSSREFS

Row sums of triangle in A124575 .

Sequence in context: A110309 A101106 A165310 * A194089 A178807 A047891

Adjacent sequences:  A133155 A133156 A133157 * A133159 A133160 A133161

KEYWORD

nonn

AUTHOR

Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Oct 08 2007

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Last modified February 16 06:27 EST 2012. Contains 205860 sequences.