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”).

A304440 as a simple table

na(n)
00
10
24
30
48
50
612
70
816
90
109
119
1213
139
1417
159
1621
179
1825
199
2022
2122
2226
2322
2430
2522
2634
2722
2838
2922
3027
3127
3231
3327
3435
3527
3639
3727
3843
3927
4044
4144
4248
4344
4452
4544
4656
4744
4860
4944
5045
5145
5249
5345
5453
5545
5657
5745
5861
5945
6066
6166
6270
6366
6474
6566
6678
6766
6882
6966
7063

[0,0,4,0,8,0,12,0,16,0,9,9,13,9,17,9,21,9,25,9,22,
 22,26,22,30,22,34,22,38,22,27,27,31,27,35,27,39,
 27,43,27,44,44,48,44,52,44,56,44,60,44,45,45,49,
 45,53,45,57,45,61,45,66,66,70,66,74,66,78,66,82,
 66,63]