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A257970 as a simple table

n a(n)
1 1
2 2
3 5
4 16
5 48
6 144
7 432
8 1296
9 3888
10 11664
11 34992
12 104976
13 314928
14 944784
15 2834352
16 8503056
17 25509168
18 76527504
19 229582512
20 688747536
21 2066242608
22 6198727824
23 18596183472
24 55788550416
25 167365651248
26 502096953744
27 1506290861232
28 4518872583696
29 13556617751088

[1,2,5,16,48,144,432,1296,3888,11664,34992,104976,
 314928,944784,2834352,8503056,25509168,76527504,
 229582512,688747536,2066242608,6198727824,
 18596183472,55788550416,167365651248,502096953744,
 1506290861232,4518872583696,13556617751088]

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Last modified May 16 15:45 EDT 2024. Contains 372554 sequences. (Running on oeis4.)