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”).

A068865 as a simple table

na(n)
11
23
36
410
521
615
728
836
945
1066
1155
1278
1391
14105
15210
16136
17253
18120
19231
20153
21276
22190
23325
24171
25300
26435
27351
28406
29378
30465
31528
32496
33561
34630
35595
36666
37703
38820
39741
40903
41780
42861
43946
441035
45990
461081
472145
481326
492080
501128
512016
521225
532346

[1,3,6,10,21,15,28,36,45,66,55,78,91,105,210,136,
 253,120,231,153,276,190,325,171,300,435,351,406,
 378,465,528,496,561,630,595,666,703,820,741,903,
 780,861,946,1035,990,1081,2145,1326,2080,1128,
 2016,1225,2346]