login

A308687 as a simple table

na(n)
11
28
355
4379
51891
62600
717821
864261
984680
10122149
11421849
12837224
132183005
143950155
155738419
1618883369
1739331711
1874157931
1994070600
20128629621
21185381839
22269583560
23486268651
241847753209
252519186671
263192137000
274210906771
286000283981
298707689224
3012664688905
3120977322059
3241089519729
3385578188905
3486805069128
35195388310755
36409067053471

[1,8,55,379,1891,2600,17821,64261,84680,122149,
 421849,837224,2183005,3950155,5738419,18883369,
 39331711,74157931,94070600,128629621,185381839,
 269583560,486268651,1847753209,2519186671,
 3192137000,4210906771,6000283981,8707689224,
 12664688905,20977322059,41089519729,85578188905,
 86805069128,195388310755,409067053471]