login

A250284 as a simple table

na(n)
01
11
21
31
41
51
61
71
87
935
10119
11329
12791
131715
143431
1545031
16400281
172313633
1810467037
1939845281
20132908041
21398840401
227677528495
2398103087719
24800524248391
255030038213949
2626202586666879
27117991927960739
28472105349529479
2911979440405949527

[1,1,1,1,1,1,1,1,7,35,119,329,791,1715,3431,45031,
 400281,2313633,10467037,39845281,132908041,
 398840401,7677528495,98103087719,800524248391,
 5030038213949,26202586666879,117991927960739,
 472105349529479,11979440405949527]