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A026687
T(n,[ n/2 ]), T given by A026681.
0
1, 1, 3, 5, 10, 17, 44, 87, 174, 324, 822, 1707, 3414, 6595, 16604, 35300, 70600, 139114, 348828, 751901, 1503802, 3000177, 7504156, 16322561, 32645122, 65684626, 164014374, 359049028, 718098056, 1453825024, 3625748104
OFFSET
0,3
CROSSREFS
Sequence in context: A026621 A366108 A096395 * A283462 A270414 A227208
KEYWORD
nonn
STATUS
approved