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A042257 as a simple table

n a(n)
0 1
1 1
2 2
3 5
4 7
5 68
6 75
7 143
8 2363
9 2506
10 4869
11 46327
12 51196
13 148719
14 199915
15 348634
16 17631615
17 17980249
18 35611864
19 89203977
20 124815841
21 1212546546
22 1337362387
23 2549908933
24 42135905315
25 44685814248
26 86821719563
27 826081290315
28 912903009878
29 2651887310071

[1,1,2,5,7,68,75,143,2363,2506,4869,46327,51196,
 148719,199915,348634,17631615,17980249,35611864,
 89203977,124815841,1212546546,1337362387,
 2549908933,42135905315,44685814248,86821719563,
 826081290315,912903009878,2651887310071]

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Last modified July 24 14:22 EDT 2024. Contains 374584 sequences. (Running on oeis4.)