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A303080 as a simple table

n a(n)
1 1
2 20
3 29
4 90
5 304
6 1054
7 4182
8 17369
9 75377
10 335199
11 1511973
12 6877743
13 31436925
14 144097153
15 661586920
16 3040460522
17 13981091806
18 64311876578
19 295889956660
20 1361516449806
21 6265388048955
22 28833190731421
23 132693419071842

[1,20,29,90,304,1054,4182,17369,75377,335199,
 1511973,6877743,31436925,144097153,661586920,
 3040460522,13981091806,64311876578,295889956660,
 1361516449806,6265388048955,28833190731421,
 132693419071842]

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Last modified April 23 09:48 EDT 2024. Contains 371905 sequences. (Running on oeis4.)