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A026664
T(2n-1,n-2), T given by A026659.
0
1, 7, 28, 153, 560, 2966, 10673, 56210, 201515, 1061236, 3803919, 20060748, 71971953, 380215935, 1365763452, 7227382849, 25993733480, 137769744017, 496083782822, 2632999776887, 9491248654850, 50438628688359, 181996447948504
OFFSET
2,2
CROSSREFS
Sequence in context: A370243 A370103 A359723 * A304520 A335759 A224663
KEYWORD
nonn
STATUS
approved