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A027123
a(n) = A027113(n, 2n-5).
0
1, 4, 13, 44, 145, 467, 1475, 4588, 14099, 42919, 129685, 389578, 1164909, 3470513, 10309111, 30551216, 90368547, 266900346, 787325255, 2320267136, 6832609927, 20108081817, 59149096985, 173927024292, 511290023185
OFFSET
3,2
CROSSREFS
Sequence in context: A345230 A117882 A257674 * A291236 A339850 A273904
KEYWORD
nonn
STATUS
approved