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A023621 as a simple table

n a(n)
1 1
2 6
3 17
4 37
5 74
6 136
7 239
8 409
9 686
10 1139
11 1874
12 3066
13 4999
14 8129
15 13196
16 21398
17 34671
18 56152
19 90911
20 147155
21 238163
22 385419
23 623689
24 1009220
25 1633025
26 2642367
27 4275519
28 6918017

[1,6,17,37,74,136,239,409,686,1139,1874,3066,4999,
 8129,13196,21398,34671,56152,90911,147155,238163,
 385419,623689,1009220,1633025,2642367,4275519,
 6918017]

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Last modified September 17 21:07 EDT 2024. Contains 375990 sequences. (Running on oeis4.)