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A153925 as a simple table

n a(n)
0 1
1 2
2 59
3 113
4 284
5 518
6 1796
7 3449
8 13001
9 33157
10 125582
11 347073
12 1750397
13 4967495
14 26187751
15 100593004
16 556134332
17 2202434132
18 16364033894
19 67618894318
20 527057394363
21 2923317994023
22 23673541188119
23 137414022400841

[1,2,59,113,284,518,1796,3449,13001,33157,125582,
 347073,1750397,4967495,26187751,100593004,
 556134332,2202434132,16364033894,67618894318,
 527057394363,2923317994023,23673541188119,
 137414022400841]

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Last modified March 30 08:49 EDT 2020. Contains 333124 sequences. (Running on oeis4.)