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A025014 as a simple table

n a(n)
0 1
1 1
2 9
3 61
4 489
5 3951
6 32661
7 273127
8 2306025
9 19610233
10 167729959
11 1441383219
12 12434998005
13 107632809909
14 934263293679
15 8129320828911
16 70886845397481
17 619288973447049
18 5419332253680705
19 47494787636620701
20 416800775902696839

[1,1,9,61,489,3951,32661,273127,2306025,19610233,
 167729959,1441383219,12434998005,107632809909,
 934263293679,8129320828911,70886845397481,
 619288973447049,5419332253680705,
 47494787636620701,416800775902696839]

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Last modified May 18 07:26 EDT 2021. Contains 343995 sequences. (Running on oeis4.)