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A049737
a(n) = Sum_{i=0..2n} (-1)^i * T(i,2n-i), array T as in A049735.
0
1, 17, 49, 125, 213, 361, 433, 617, 805, 1029, 1345, 1585, 1801, 2149, 2461, 2977, 3305, 3709, 4013, 4557, 5057, 5689, 6085, 6661, 7117, 8025, 8689, 9205, 10005, 10649, 11281, 12225, 12941, 13893, 14449, 15649, 16297, 17493
OFFSET
0,2
CROSSREFS
Sequence in context: A176273 A124710 A113867 * A146871 A146791 A126371
KEYWORD
nonn
STATUS
approved