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A246813 as a simple table

n a(n)
0 1
1 4
2 23
3 152
4 1085
5 8156
6 63579
7 509136
8 4161649
9 34566580
10 290798551
11 2471871784
12 21191824645
13 182984610220
14 1589620392835
15 13881368684128
16 121767703088377
17 1072382299895428
18 9477296423786207
19 84017470425706040
20 746903374745524629
21 6656552616997851036
22 59459592374756968323

[1,4,23,152,1085,8156,63579,509136,4161649,
 34566580,290798551,2471871784,21191824645,
 182984610220,1589620392835,13881368684128,
 121767703088377,1072382299895428,9477296423786207,
 84017470425706040,746903374745524629,
 6656552616997851036,59459592374756968323]

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Last modified April 25 13:02 EDT 2024. Contains 371969 sequences. (Running on oeis4.)