A130698 - OEIS

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A130698 as a simple table

n	a(n)
1	1
2	2
3	53
4	174
5	299
6	1377
7	12695
8	44469
9	423922
10	2068248
11	12084331
12	46270468
13	1330157705
14	5319721272
15	144083207084
16	178358383042
17	212557463865
18	2125965021380
19	6323865789846
20	7277308988873

[1,2,53,174,299,1377,12695,44469,423922,2068248, 12084331,46270468,1330157705,5319721272, 144083207084,178358383042,212557463865, 2125965021380,6323865789846,7277308988873]