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A213260 as a simple table

n a(n)
0 5
1 30
2 135
3 490
4 1575
5 4565
6 12310
7 31185
8 75175
9 173525
10 386155
11 831820
12 1741630
13 3554345
14 7089500
15 13848650
16 26543660
17 49995925
18 92669720
19 169229875
20 304801365
21 541946240
22 952050665
23 1653668665
24 2841940500
25 4835271870
26 8149040695
27 13610949895
28 22540654445
29 37027355200
30 60356673280
31 97662728555
32 156919475295

[5,30,135,490,1575,4565,12310,31185,75175,173525,
 386155,831820,1741630,3554345,7089500,13848650,
 26543660,49995925,92669720,169229875,304801365,
 541946240,952050665,1653668665,2841940500,
 4835271870,8149040695,13610949895,22540654445,
 37027355200,60356673280,97662728555,156919475295]

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Last modified March 29 05:48 EDT 2024. Contains 371265 sequences. (Running on oeis4.)