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”).

A175821 as a simple table

na(n)
16
28
39
410
514
615
716
820
921
1027
1128
1234
1335
1436
1544
1645
1746
1854
1955
2056
2164
2265
2366
2476
2577
2678
2780
2890
2991
3092
31102
32104
33105
34118
35119
36120
37122
38135
39136
40138
41150
42152
43153
44168
45170
46171
47172
48188
49189
50190
51192
52207
53208
54209
55210
56228
57230
58231
59232
60250
61252
62253
63254
64255
65256
66275
67276
68278
69296
70297
71298
72299
73300
74320
75322
76324
77325
78326
79327
80328
81348
82350
83351
84352
85354
86375
87376
88377
89378
90380
91381
92400
93402
94404
95405
96406
97408

[6,8,9,10,14,15,16,20,21,27,28,34,35,36,44,45,46,
 54,55,56,64,65,66,76,77,78,80,90,91,92,102,104,
 105,118,119,120,122,135,136,138,150,152,153,168,
 170,171,172,188,189,190,192,207,208,209,210,228,
 230,231,232,250,252,253,254,255,256,275,276,278,
 296,297,298,299,300,320,322,324,325,326,327,328,
 348,350,351,352,354,375,376,377,378,380,381,400,
 402,404,405,406,408]