login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A007969 as a simple table

na(n)
12
25
36
410
512
613
714
817
918
1020
1121
1222
1326
1428
1529
1630
1733
1834
1937
2038
2139
2241
2342
2444
2545
2646
2750
2852
2953
3054
3155
3256
3357
3458
3560
3661
3762
3865
3966
4068
4169
4270
4372
4473
4574
4676
4777
4878
4982
5084
5185
5286
5389
5490
5592
5693
5794
5895
5997
6098
61101
62102
63105
64106
65108
66109

[2,5,6,10,12,13,14,17,18,20,21,22,26,28,29,30,33,
 34,37,38,39,41,42,44,45,46,50,52,53,54,55,56,57,
 58,60,61,62,65,66,68,69,70,72,73,74,76,77,78,82,
 84,85,86,89,90,92,93,94,95,97,98,101,102,105,106,
 108,109]