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A042865 as a simple table

n a(n)
0 1
1 20
2 21
3 62
4 393
5 455
6 848
7 2999
8 3847
9 6846
10 10693
11 17539
12 203622
13 221161
14 1088266
15 3485959
16 4574225
17 67525109
18 72099334
19 283823111
20 1207391778
21 1491214889
22 17610755557
23 19101970446
24 36712726003
25 55814696449
26 92527422452
27 333396963805
28 425924386257

[1,20,21,62,393,455,848,2999,3847,6846,10693,
 17539,203622,221161,1088266,3485959,4574225,
 67525109,72099334,283823111,1207391778,1491214889,
 17610755557,19101970446,36712726003,55814696449,
 92527422452,333396963805,425924386257]

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