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A253489 as a simple table

n a(n)
1 414
2 1377
3 2640
4 4720
5 9654
6 22236
7 55362
8 145428
9 397002
10 1114476
11 3192402
12 9277188
13 27233562
14 80506716
15 239134242
16 712632948
17 2128361322
18 6366010956
19 19059888882
20 57103380708
21 171157572282
22 513167579196
23 1538892464322

[414,1377,2640,4720,9654,22236,55362,145428,
 397002,1114476,3192402,9277188,27233562,80506716,
 239134242,712632948,2128361322,6366010956,
 19059888882,57103380708,171157572282,513167579196,
 1538892464322]

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Last modified September 20 12:13 EDT 2019. Contains 327231 sequences. (Running on oeis4.)