A213136 - OEIS

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A213136 as a simple table

n	a(n)
0	1
1	-2
2	-14
3	-26
4	1330
5	23638
6	-8414
7	-10070426
8	-215250350
9	1947801718
10	246368009986
11	5254817440774
12	-152365259476430
13	-13578534513671402
14	-241920062298205214
15	18542492740003377574
16	1388279735908198531090

[1,-2,-14,-26,1330,23638,-8414,-10070426, -215250350,1947801718,246368009986,5254817440774, -152365259476430,-13578534513671402, -241920062298205214,18542492740003377574, 1388279735908198531090]