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A249567 as a simple table

n a(n)
1 1
2 4
3 16
4 64
5 144
6 576
7 1296
8 3600
9 6084
10 15876
11 28224
12 82944
13 147456
14 298116
15 627264
16 1218816
17 2433600
18 4928400
19 9809424
20 19607184
21 39237696
22 78535044
23 158155776
24 316057284
25 633830976
26 1265509476
27 2532303684
28 5062891716
29 10128007044
30 20260106244
31 40519274436
32 81043841124

[1,4,16,64,144,576,1296,3600,6084,15876,28224,
 82944,147456,298116,627264,1218816,2433600,
 4928400,9809424,19607184,39237696,78535044,
 158155776,316057284,633830976,1265509476,
 2532303684,5062891716,10128007044,20260106244,
 40519274436,81043841124]

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Last modified March 28 13:21 EDT 2024. Contains 371254 sequences. (Running on oeis4.)