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A190194 as a simple table

n a(n)
0 0
1 1
2 4
3 20
4 116
5 776
6 5912
7 50648
8 482552
9 5065016
10 58099832
11 723315128
12 9715154552
13 140051879096
14 2157103991672
15 35355232693688
16 614453167841912
17 11287370521073336
18 218535622980161912
19 4447889360078673848
20 94944254697268017272
21 2120984032794061422776
22 49489160848954807154552
23 1203943675008917425902008
24 30486416629523244528307832

[0,1,4,20,116,776,5912,50648,482552,5065016,
 58099832,723315128,9715154552,140051879096,
 2157103991672,35355232693688,614453167841912,
 11287370521073336,218535622980161912,
 4447889360078673848,94944254697268017272,
 2120984032794061422776,49489160848954807154552,
 1203943675008917425902008,
 30486416629523244528307832]

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Last modified May 14 23:22 EDT 2024. Contains 372535 sequences. (Running on oeis4.)