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Search: id:A030035
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A030035 a(n+1)= Sum a(k)a(n-k), k = 0 ... [ 3n/4. +0
1
1, 1, 1, 2, 4, 9, 17, 38, 89, 213, 480, 1151, 2810, 6978, 16497, 40731, 101680, 256491, 623916, 1568966, 3972773, 10130647, 25044032, 63573638, 162478685, 417322917, 1049096179, 2687278965, 6917001254 (list; graph; listen)
OFFSET

0,4
CROSSREFS

Cf. A000992.

Sequence in context: A077931 A136326 A059973 this_sequence A123431 A049961 A024425

Adjacent sequences: A030032 A030033 A030034 this_sequence A030036 A030037 A030038

KEYWORD

nonn

AUTHOR

njas

page 1

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Last modified August 29 17:40 EDT 2008. Contains 143238 sequences.

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