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A316817 as a simple table

n a(n)
1 4
2 30
3 169
4 983
5 5701
6 33046
7 191692
8 1111756
9 6447926
10 37397230
11 216897344
12 1257968840
13 7296014816
14 42315682206
15 245424008900
16 1423418944526
17 8255595991972
18 47881100579920
19 277702517408082
20 1610628979299244

[4,30,169,983,5701,33046,191692,1111756,6447926,
 37397230,216897344,1257968840,7296014816,
 42315682206,245424008900,1423418944526,
 8255595991972,47881100579920,277702517408082,
 1610628979299244]

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Last modified April 19 02:45 EDT 2024. Contains 371782 sequences. (Running on oeis4.)