A252772 - OEIS

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A252772 as a simple table

n	a(n)
1	1028
2	4717
3	23114
4	121043
5	649951
6	3523216
7	19170149
8	104987624
9	576681145
10	3171047173
11	17490297027
12	96593843143
13	533791409154
14	2954525292098
15	16363224352613
16	90662353009326
17	502747340040879
18	2788709900040761

[1028,4717,23114,121043,649951,3523216,19170149, 104987624,576681145,3171047173,17490297027, 96593843143,533791409154,2954525292098, 16363224352613,90662353009326,502747340040879, 2788709900040761]