login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A337681 as a simple table

na(n)
10
20
30
40
53
61
78
83
99
109
1118
126
1326
1422
1524
1622
1739
1823
1947
2031
2148
2254
2363
2430
2571
2671
2771
2864
2990
3060
31104
3282
33103
34109
35111
3674
37134
38130
39132
40103
41153
42121
43167
44149
45151
46177
47186
48122
49197
50181
51202
52194
53220
54180
55224
56194
57238
58244
59253
60167
61276
62272
63258
64253

[0,0,0,0,3,1,8,3,9,9,18,6,26,22,24,22,39,23,47,31,
 48,54,63,30,71,71,71,64,90,60,104,82,103,109,111,
 74,134,130,132,103,153,121,167,149,151,177,186,
 122,197,181,202,194,220,180,224,194,238,244,253,
 167,276,272,258,253]