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A015501 a(0)=1, a(1)=12, a(n) = sum_{k=0}^{k=n-1} 12^k a(k). 0
1, 12, 145, 21025, 36352225, 753836089825, 187579295739424225, 560108963388484644486625, 20069717395324174580677650054625, 8629611143951908451324039380459800198625 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A041061 A174227 A041266 * A039493 A196454 A167138

Adjacent sequences:  A015498 A015499 A015500 * A015502 A015503 A015504

KEYWORD

nonn,easy

AUTHOR

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

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Last modified February 14 02:39 EST 2012. Contains 205567 sequences.