login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A153307 as a simple table

na(n)
13
26
38
49
510
612
713
815
918
1021
1123
1224
1327
1428
1530
1631
1732
1833
1935
2036
2138
2239
2342
2443
2545
2648
2749
2850
2951
3052
3153
3254
3357
3458
3560
3662
3763
3864
3965
4066
4168
4269
4372
4473
4575
4676
4777
4878
4981
5083
5184
5286
5387
5488
5590

[3,6,8,9,10,12,13,15,18,21,23,24,27,28,30,31,32,
 33,35,36,38,39,42,43,45,48,49,50,51,52,53,54,57,
 58,60,62,63,64,65,66,68,69,72,73,75,76,77,78,81,
 83,84,86,87,88,90]