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A198797 as a simple table

n a(n)
0 3
1 23
2 143
3 863
4 5183
5 31103
6 186623
7 1119743
8 6718463
9 40310783
10 241864703
11 1451188223
12 8707129343
13 52242776063
14 313456656383
15 1880739938303
16 11284439629823
17 67706637778943
18 406239826673663
19 2437438960041983
20 14624633760251903

[3,23,143,863,5183,31103,186623,1119743,6718463,
 40310783,241864703,1451188223,8707129343,
 52242776063,313456656383,1880739938303,
 11284439629823,67706637778943,406239826673663,
 2437438960041983,14624633760251903]

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Last modified April 23 14:32 EDT 2024. Contains 371914 sequences. (Running on oeis4.)