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A064621 as a simple table

n a(n)
1 1
2 3
3 6
4 13
5 20
6 62
7 113
8 224
9 367
10 494
11 833
12 9169
13 131313
14 155719
15 180118
16 280766754
17 3454917187
18 31685027464
19 152431947617
20 629621648241

[1,3,6,13,20,62,113,224,367,494,833,9169,131313,
 155719,180118,280766754,3454917187,31685027464,
 152431947617,629621648241]

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Last modified March 29 03:51 EDT 2024. Contains 371264 sequences. (Running on oeis4.)