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Search: id:A026157
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A026157 a(n) = T(2n,n), where T is the array in A026148. +0
1
1, 1, 7, 35, 189, 1038, 5796, 32734, 186494, 1069793, 6170554, 35752906, 207940493, 1213271620, 7098581115, 41631465591, 244669507994, 1440588095878, 8495970243502, 50179297862166, 296763850899633 (list; graph; listen)
OFFSET

0,3
CROSSREFS

Sequence in context: A037689 A051926 A026128 this_sequence A025184 A105926 A096686

Adjacent sequences: A026154 A026155 A026156 this_sequence A026158 A026159 A026160

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified August 28 22:44 EDT 2008. Contains 143251 sequences.

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