login

A247353 as a simple table

na(n)
01
13
25
311
420
540
677
7149
8291
9561
101094
112116
124113
137975
1415477
1530035
1658268
17113084
18219397
19425753
20826091
211602969
223110382
236035336
2411710993
2522723803
2644093269
2785558059
28166016420
29322136912
30625072109
311212885517
322353473731
334566663857

[1,3,5,11,20,40,77,149,291,561,1094,2116,4113,
 7975,15477,30035,58268,113084,219397,425753,
 826091,1602969,3110382,6035336,11710993,22723803,
 44093269,85558059,166016420,322136912,625072109,
 1212885517,2353473731,4566663857]