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Search: id:A025263
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A025263 a(n) = a(1)*a(n-1) + a(2)*a(n-2) + ...+ a(n-1)*a(1) for n >= 4. +0
1
1, 2, 1, 6, 16, 57, 190, 676, 2418, 8860, 32848, 123413, 468246, 1792700, 6915438, 26856116, 104908160, 411944698, 1625120364, 6437911432, 25600033700, 102145852536, 408840420704, 1641061732941, 6604395207782, 26643368509676 (list; graph; listen)
OFFSET

1,2
CROSSREFS

Sequence in context: A123968 A068797 A049951 this_sequence A097947 A101032 A025271

Adjacent sequences: A025260 A025261 A025262 this_sequence A025264 A025265 A025266

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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