A027150 a(n) = A027144(n, floor(n/2)).

1, 1, 4, 6, 12, 20, 80, 152, 304, 528, 2176, 4416, 8832, 15488, 64768, 135552, 271104, 477440, 2013184, 4289536, 8579072, 15144960, 64200704, 138407936, 276815872, 489431040, 2082406400, 4526702592, 9053405184, 16024403968

Offset

0,3

Links

Table of n, a(n) for n=0..29.

Crossrefs

Sequence in context: A168674 A110935 A128034 * A020141 A049478 A263458

Adjacent sequences: A027147 A027148 A027149 * A027151 A027152 A027153

Keyword

nonn

Author

Clark Kimberling

Status

approved