A254997 - OEIS

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A254997 as a simple table

n	a(n)
1	3456356
2	54357112
3	1221043730
4	21345394571
5	351447919966
6	6335613688670
7	114535492626380
8	2023733203755177
9	35825567557412714
10	637366584071345641
11	11322496580518842504

[3456356,54357112,1221043730,21345394571, 351447919966,6335613688670,114535492626380, 2023733203755177,35825567557412714, 637366584071345641,11322496580518842504]