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A000262 as a simple table

n a(n)
0 1
1 1
2 3
3 13
4 73
5 501
6 4051
7 37633
8 394353
9 4596553
10 58941091
11 824073141
12 12470162233
13 202976401213
14 3535017524403
15 65573803186921
16 1290434218669921
17 26846616451246353
18 588633468315403843
19 13564373693588558173
20 327697927886085654441
21 8281153039765859726341

[1,1,3,13,73,501,4051,37633,394353,4596553,
 58941091,824073141,12470162233,202976401213,
 3535017524403,65573803186921,1290434218669921,
 26846616451246353,588633468315403843,
 13564373693588558173,327697927886085654441,
 8281153039765859726341]

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Last modified April 25 07:53 EDT 2024. Contains 371964 sequences. (Running on oeis4.)