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A197132 as a simple table

n a(n)
0 1
1 4
2 16
3 52
4 157
5 434
6 1144
7 2862
8 6906
9 16090
10 36449
11 80430
12 173555
13 366802
14 761102
15 1552569
16 3118508
17 6174461
18 12064383
19 23283027
20 44419855
21 83834278
22 156626605
23 289839251
24 531534746
25 966483534
26 1743164649
27 3119864511
28 5543030861
29 9779552117
30 17139055493

[1,4,16,52,157,434,1144,2862,6906,16090,36449,
 80430,173555,366802,761102,1552569,3118508,
 6174461,12064383,23283027,44419855,83834278,
 156626605,289839251,531534746,966483534,
 1743164649,3119864511,5543030861,9779552117,
 17139055493]

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Last modified May 14 20:39 EDT 2024. Contains 372533 sequences. (Running on oeis4.)