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A207760 as a simple table

n a(n)
1 19
2 361
3 1095
4 4018
5 16920
6 56651
7 178627
8 581166
9 1838374
10 5659448
11 17426525
12 53447015
13 162579914
14 493375310
15 1495959569
16 4527344211
17 13690772759
18 41408994328
19 125273246604
20 379174015659
21 1148704163123
22 3483663286586

[19,361,1095,4018,16920,56651,178627,581166,
 1838374,5659448,17426525,53447015,162579914,
 493375310,1495959569,4527344211,13690772759,
 41408994328,125273246604,379174015659,
 1148704163123,3483663286586]

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Last modified April 25 11:39 EDT 2024. Contains 371969 sequences. (Running on oeis4.)