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A049126 Revert transform of ((x - 1)(3x - 1))/(1 - 3x + x^3). 0
1, 1, 2, 6, 22, 90, 393, 1789, 8378, 40050, 194492, 956448, 4752519, 23822571, 120315345, 611644737, 3127389106, 16072642890, 82981119252, 430187414196, 2238469102212, 11687227631892, 61208286479382, 321465732705594 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

LINKS

Index entries for reversions of series

CROSSREFS

Sequence in context: A150270 A049136 A165523 * A049134 A086456 A006318

Adjacent sequences:  A049123 A049124 A049125 * A049127 A049128 A049129

KEYWORD

nonn

AUTHOR

Olivier Gerard (olivier.gerard(AT)gmail.com)

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Last modified February 17 14:50 EST 2012. Contains 206050 sequences.