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A051061
a(n) = A048141(3*n).
3
0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 2, 3, 4, 7, 9, 12, 17, 23, 30, 40, 51, 66, 85, 108, 136, 173, 215, 268, 331, 406, 498, 612, 742, 900, 1088, 1311, 1573, 1889, 2252, 2682, 3187, 3779, 4467, 5277, 6206, 7294, 8554, 10015, 11695, 13649, 15884, 18467, 21429, 24834
OFFSET
1,12
CROSSREFS
Cf. A048141.
Sequence in context: A325092 A375601 A247186 * A237870 A191015 A181385
KEYWORD
nonn
EXTENSIONS
More terms and simplified name from Sean A. Irvine, Aug 24 2021
STATUS
approved