login

A304781 as a simple table

na(n)
01
12
26
321
475
5274
61016
73807
814377
954627
10208584
11799669
123076167
1311867511
1445897145
15177888715
16690770763
172686879415
1810466761637
1940828165464
20159453481037
21623427464093
222439907421914
239557831470082
2437472409664888
25147028505564603
26577302980976146

[1,2,6,21,75,274,1016,3807,14377,54627,208584,
 799669,3076167,11867511,45897145,177888715,
 690770763,2686879415,10466761637,40828165464,
 159453481037,623427464093,2439907421914,
 9557831470082,37472409664888,147028505564603,
 577302980976146]