login

A149655 as a simple table

na(n)
01
11
25
315
475
5289
61445
76095
830475
9135117
10675585
113087987
1215439935
1372008619
14360043095
151703029437
168515147185
1740694381623
18203471908115
19979988489573
204899942447865
2123742016308033
22118710081540165
23577930415357795
242889652076788975
2514121788791089079
2670608943955445395
27346141784385418635

[1,1,5,15,75,289,1445,6095,30475,135117,675585,
 3087987,15439935,72008619,360043095,1703029437,
 8515147185,40694381623,203471908115,979988489573,
 4899942447865,23742016308033,118710081540165,
 577930415357795,2889652076788975,
 14121788791089079,70608943955445395,
 346141784385418635]