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”).

A024665 as a simple table

na(n)
11
23
34
46
58
610
711
813
916
1018
1119
1221
1323
1425
1526
1628
1731
1833
1934
2035
2137
2239
2343
2444
2546
2647
2749
2851
2954
3056
3157
3258
3360
3462
3564
3667
3768
3869
3971
4073
4174
4276
4380
4481
4583
4685
4787
4889
4990
5094
5195
5297
5399
54101
55102
56104
57105
58110
59112
60114
61116
62118
63119
64120
65122
66124
67127
68128
69131
70134

[1,3,4,6,8,10,11,13,16,18,19,21,23,25,26,28,31,33,
 34,35,37,39,43,44,46,47,49,51,54,56,57,58,60,62,
 64,67,68,69,71,73,74,76,80,81,83,85,87,89,90,94,
 95,97,99,101,102,104,105,110,112,114,116,118,119,
 120,122,124,127,128,131,134]