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A084423 as a simple table

n a(n)
0 1
1 1
2 2
3 3
4 7
5 12
6 43
7 127
8 544
9 2361
10 11703
11 61690
12 351773
13 2126497
14 13639372
15 92197523
16 655035769
17 4874404108
18 37893370473
19 306986431847
20 2586209749712
21 22612848403571
22 204850732480285
23 1919652428481930
24 18581619724363401
25 185543613289200949

[1,1,2,3,7,12,43,127,544,2361,11703,61690,351773,
 2126497,13639372,92197523,655035769,4874404108,
 37893370473,306986431847,2586209749712,
 22612848403571,204850732480285,1919652428481930,
 18581619724363401,185543613289200949]

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Last modified April 24 15:55 EDT 2014. Contains 240988 sequences.