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A153317 as a simple table

n a(n)
0 1
1 10
2 21
3 220
4 461
5 4830
6 10121
7 106040
8 222201
9 2328050
10 4878301
11 51111060
12 107100421
13 1122115270
14 2351330961
15 24635424880
16 51622180721
17 540857232090
18 1133336644901
19 11874223681100

[1,10,21,220,461,4830,10121,106040,222201,2328050,
 4878301,51111060,107100421,1122115270,2351330961,
 24635424880,51622180721,540857232090,
 1133336644901,11874223681100]

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Last modified April 19 04:35 EDT 2024. Contains 371782 sequences. (Running on oeis4.)