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A054138 T(n,4), array T as in A054134. 0
2, 10, 48, 180, 570, 1602, 4128, 9972, 22947, 50899, 109806, 231988, 482540, 992212, 2023184, 4100632, 8275877, 16652701, 33439998, 67057096, 134344422, 268984854, 538346448, 1077167916, 2154929607, 4310595495 (list; graph; refs; listen; history; text; internal format)
OFFSET

4,1

LINKS

Table of n, a(n) for n=4..29.

CROSSREFS

Sequence in context: A009314 A009316 A116194 * A192696 A181296 A239073

Adjacent sequences:  A054135 A054136 A054137 * A054139 A054140 A054141

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified August 5 06:46 EDT 2020. Contains 336209 sequences. (Running on oeis4.)