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A047118
T(n,n+3), array T as in A047110.
0
1, 4, 14, 53, 195, 711, 2662, 9973, 37367, 141472, 537422, 2045224, 7821958, 30001955, 115296650, 444336395, 1716137440, 6639137474, 25732460158, 99897347527, 388339939659, 1511670332538, 5891647475819, 22987227251180
OFFSET
0,2
CROSSREFS
Sequence in context: A125783 A090319 A295518 * A017948 A214998 A112872
KEYWORD
nonn
STATUS
approved