login

A253412 as a simple table

na(n)
01
11
22
32
44
54
67
79
813
918
1025
1136
1249
1370
1497
15137
16191
17268
18376
19526
20738
211033
221449
232029
242844
253985
265584
277825
2810964
2915365
3021529
3130169
3242274
3359238
3483008
35116316
36162991
37228393
38320041
39448462
40628417
41880580
421233929
431729066
442422885
453395113
464757463

[1,1,2,2,4,4,7,9,13,18,25,36,49,70,97,137,191,268,
 376,526,738,1033,1449,2029,2844,3985,5584,7825,
 10964,15365,21529,30169,42274,59238,83008,116316,
 162991,228393,320041,448462,628417,880580,1233929,
 1729066,2422885,3395113,4757463]