A027161 T(2n-1,n-1), T given by A027157.

2, 6, 40, 152, 1088, 4416, 32384, 135552, 1006592, 4289536, 32100352, 138407936, 1041203200, 4526702592, 34182430720, 149528084480, 1132376883200, 4977103994880, 37776580935680, 166668216041472, 1267318675996672

Offset

1,1

Links

Table of n, a(n) for n=1..21.

Crossrefs

Sequence in context: A288491 A212883 A336959 * A081096 A350971 A119692

Adjacent sequences: A027158 A027159 A027160 * A027162 A027163 A027164

Keyword

nonn

Author

Clark Kimberling

Status

approved