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A048234
a(n) = T(2n-1,n), array T given by A048225.
0
3, 3, 16, 36, 59, 89, 131, 185, 250, 323, 400, 488, 582, 681, 790, 905, 1024, 1147, 1277, 1419, 1565, 1716, 1874, 2036, 2204, 2375, 2554, 2738, 2926, 3123, 3328, 3541, 3764, 3991, 4229, 4473, 4722, 4976, 5232, 5493, 5757, 6030, 6314, 6607, 6906, 7207, 7517
OFFSET
1,1
FORMULA
a(n) = A048224(2*n) - A048224(n). - Sean A. Irvine, Jun 06 2021
CROSSREFS
Cf. A048224.
Sequence in context: A209212 A222847 A278309 * A068415 A127539 A342837
KEYWORD
nonn
EXTENSIONS
More terms from Sean A. Irvine, Jun 06 2021
STATUS
approved