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A218674 as a simple table

n a(n)
0 1
1 1
2 4
3 34
4 455
5 8710
6 230077
7 8285224
8 407456797
9 27587687551
10 2596034329278
11 342275007167359
12 63606742005546232
13 16730509857101195808
14 6246818082857455197662
15 3317816101992338134691233
16 2510420393373091580780786808
17 2709148467943025007607468405672

[1,1,4,34,455,8710,230077,8285224,407456797,
 27587687551,2596034329278,342275007167359,
 63606742005546232,16730509857101195808,
 6246818082857455197662,3317816101992338134691233,
 2510420393373091580780786808,
 2709148467943025007607468405672]

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Last modified September 8 15:58 EDT 2024. Contains 375753 sequences. (Running on oeis4.)