login

A038165 as a simple table

na(n)
01
15
220
360
4160
5376
6820
71660
83190
95830
1010252
1117380
1228600
1345760
1471500
15109252
16163735
17240955
18348920
19497640
20700128
21972400
221334840
231812200
242435420
253241628
264276520
275594360
287261040
299354080
3011966504
3115206840

[1,5,20,60,160,376,820,1660,3190,5830,10252,17380,
 28600,45760,71500,109252,163735,240955,348920,
 497640,700128,972400,1334840,1812200,2435420,
 3241628,4276520,5594360,7261040,9354080,11966504,
 15206840]