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A200180 as a simple table

n a(n)
1 1
2 7
3 9
4 31
5 53
6 141
7 380
8 1010
9 2152
10 5014
11 14018
12 35542
13 78385
14 188789
15 503051
16 1241939
17 2859687
18 6957672
19 17863397
20 43991846
21 103888178
22 253531752
23 640390692
24 1575397895
25 3777406958
26 9259136398
27 23167497450
28 57008137128
29 138220165963

[1,7,9,31,53,141,380,1010,2152,5014,14018,35542,
 78385,188789,503051,1241939,2859687,6957672,
 17863397,43991846,103888178,253531752,640390692,
 1575397895,3777406958,9259136398,23167497450,
 57008137128,138220165963]

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Last modified March 28 16:58 EDT 2024. Contains 371254 sequences. (Running on oeis4.)