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”).

A257984 as a simple table

na(n)
12
25
38
411
515
618
721
824
927
1030
1133
1237
1340
1443
1546
1649
1752
1855
1959
2062
2165
2268
2371
2474
2577
2681
2784
2887
2990
3093
3196
3299
33103
34106
35109
36112
37115
38118
39121
40125
41128
42131
43134
44137
45140
46143
47147
48150
49153
50156
51159
52162
53165
54169
55172
56175
57178
58181
59184

[2,5,8,11,15,18,21,24,27,30,33,37,40,43,46,49,52,
 55,59,62,65,68,71,74,77,81,84,87,90,93,96,99,103,
 106,109,112,115,118,121,125,128,131,134,137,140,
 143,147,150,153,156,159,162,165,169,172,175,178,
 181,184]