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A199417 as a simple table

n a(n)
0 2
1 11
2 74
3 515
4 3602
5 25211
6 176474
7 1235315
8 8647202
9 60530411
10 423712874
11 2965990115
12 20761930802
13 145333515611
14 1017334609274
15 7121342264915
16 49849395854402
17 348945770980811
18 2442620396865674
19 17098342778059715

[2,11,74,515,3602,25211,176474,1235315,8647202,
 60530411,423712874,2965990115,20761930802,
 145333515611,1017334609274,7121342264915,
 49849395854402,348945770980811,2442620396865674,
 17098342778059715]

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Last modified December 6 01:37 EST 2023. Contains 367594 sequences. (Running on oeis4.)