A165935 - OEIS

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A165935 as a simple table

n	a(n)
1	1
2	-242
3	2883
4	-13924
5	45125
6	-115926
7	255367
8	-504008
9	915849
10	-1560250
11	2523851
12	-3912492
13	5853133
14	-8495774
15	12015375
16	-16613776
17	22521617
18	-30000258
19	39343699
20	-50880500

[1,-242,2883,-13924,45125,-115926,255367,-504008, 915849,-1560250,2523851,-3912492,5853133,-8495774, 12015375,-16613776,22521617,-30000258,39343699, -50880500]