login
A027150
a(n) = A027144(n, floor(n/2)).
0
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
CROSSREFS
Sequence in context: A168674 A110935 A128034 * A020141 A049478 A263458
KEYWORD
nonn
STATUS
approved