A263706 - OEIS

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A263706 as a simple table

n	a(n)
1	49
2	475
3	569
4	3588
5	18995
6	4020
7	33265
8	474101
9	437533
10	38769
11	292865
12	14115520
13	30745811
14	13341380
15	355145
16	2600010
17	452888405
18	2977192536
19	3002676432
20	414860767
21	3191484
22	23355021
23	14143461755

[49,475,569,3588,18995,4020,33265,474101,437533, 38769,292865,14115520,30745811,13341380,355145, 2600010,452888405,2977192536,3002676432,414860767, 3191484,23355021,14143461755]