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A208264 as a simple table

n a(n)
1 4
2 25
3 161
4 1033
5 6631
6 42563
7 273205
8 1753657
9 11256431
10 72253147
11 463780861
12 2976931745
13 19108426759
14 122653794067
15 787294181189
16 5053509615817
17 32437632650335
18 208211736387083
19 1336476297041869
20 8578617726111793

[4,25,161,1033,6631,42563,273205,1753657,11256431,
 72253147,463780861,2976931745,19108426759,
 122653794067,787294181189,5053509615817,
 32437632650335,208211736387083,1336476297041869,
 8578617726111793]

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Last modified June 11 10:58 EDT 2024. Contains 373311 sequences. (Running on oeis4.)