login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A266396 as a simple table

na(n)
10
20
30
410
541
6105
7215
8385
9630
10966
111410
121980
132695
143575
154641
165915
177420
189180
1911220
2013566
2116245
2219285
2322715
2426565
2530866
2635650
2740950
2846800
2953235
3060291
3168005
3276415
3385560
3495480
35106216
36117810
37130305
38143745
39158175
40173641
41190190

[0,0,0,10,41,105,215,385,630,966,1410,1980,2695,
 3575,4641,5915,7420,9180,11220,13566,16245,19285,
 22715,26565,30866,35650,40950,46800,53235,60291,
 68005,76415,85560,95480,106216,117810,130305,
 143745,158175,173641,190190]