login

A245311 as a simple table

na(n)
01
11
22
35
415
550
6182
7707
82903
912479
1055844
11258860
121238588
136099054
1430836886
15159770751
16846927495
174586883023
1825351486346
19142843162421
20819783142271
214788268962584
2228444114318056
23171737405798836
241053285775758916
256558551535958516
2641441942236323008

[1,1,2,5,15,50,182,707,2903,12479,55844,258860,
 1238588,6099054,30836886,159770751,846927495,
 4586883023,25351486346,142843162421,819783142271,
 4788268962584,28444114318056,171737405798836,
 1053285775758916,6558551535958516,
 41441942236323008]