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”).

A371985 as a simple table

na(n)
11
22
33
44
55
66
79
88
97
1010
1112
1220
1315
1418
1527
1616
1711
1814
1921
2024
2125
2230
2336
2440
2528
2650
2748
2860
2945
3054
3181
3232
3313
3422
3533
3644
3735
3842
3963
4056
4149
4270
4372
4480
4575
4690
47108
4896
4955
5084
51105
52120
53100
54150
55144
56160
57112
58200
59192
60180
61135
62162
63243
6464
6517

[1,2,3,4,5,6,9,8,7,10,12,20,15,18,27,16,11,14,21,
 24,25,30,36,40,28,50,48,60,45,54,81,32,13,22,33,
 44,35,42,63,56,49,70,72,80,75,90,108,96,55,84,105,
 120,100,150,144,160,112,200,192,180,135,162,243,
 64,17]