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A049131 Revert transform of (1 + 2x - x^2)/(1 + 3x + 2x^2 + x^3). 0
1, 1, 2, 4, 10, 24, 65, 171, 482, 1338, 3868, 11110, 32707, 96137, 287001, 857577, 2588794, 7830730, 23854028, 72840384, 223557060, 687811608, 2124300494, 6576110024, 20418808851, 63534855143, 198178318008, 619338524116 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

LINKS

Index entries for reversions of series

CROSSREFS

Sequence in context: A007874 A121704 A049144 * A084078 A137842 A049146

Adjacent sequences:  A049128 A049129 A049130 * A049132 A049133 A049134

KEYWORD

nonn

AUTHOR

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

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Last modified February 17 00:09 EST 2012. Contains 205978 sequences.