login

A271788 as a simple table

na(n)
10
21
33
47
516
639
7105
8314
91035
103723
1114494
1260670
13271544
141293147
156523495
1634724247
17194357190
181140402612
196995760364
2044760085240
21298054873358
222061644525813
2314787185811993
24109804829195145
25842928183558160
266680572760715182
2754595535222727960

[0,1,3,7,16,39,105,314,1035,3723,14494,60670,
 271544,1293147,6523495,34724247,194357190,
 1140402612,6995760364,44760085240,298054873358,
 2061644525813,14787185811993,109804829195145,
 842928183558160,6680572760715182,
 54595535222727960]