login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A223186 as a simple table

na(n)
11
25
35
425
520
625
7125
880
980
10125
11625
12320
13400
14320
15625
163125
171280
182080
192080
201280
213125
2215625
235120
2410880
2514560
2610880
275120
2815625
2978125
3020480
3156960
32103520
33103520
3456960
3520480
3678125
37390625
3881920
39298240
40738720
411018720

[1,5,5,25,20,25,125,80,80,125,625,320,400,320,625,
 3125,1280,2080,2080,1280,3125,15625,5120,10880,
 14560,10880,5120,15625,78125,20480,56960,103520,
 103520,56960,20480,78125,390625,81920,298240,
 738720,1018720]