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A026334
T(4n,n), where T is the array in A026323.
0
1, 4, 36, 352, 3620, 38304, 412895, 4509152, 49721364, 552359680, 6172578126, 69310337760, 781375805392, 8838533555180, 100264250360835, 1140219161743552, 12994808897190788, 148381034370726096
OFFSET
0,2
CROSSREFS
Sequence in context: A374388 A288269 A189334 * A247562 A372465 A168595
KEYWORD
nonn
EXTENSIONS
More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Mar 23 2003
STATUS
approved