login

A260910 as a simple table

na(n)
1-1
21
33
45
57
611
711
817
923
1029
1119
1223
1327
1431
1539
1629
1749
1859
1979
2089
21109
2241
2347
2453
2559
2665
2771
2883
2955
3069
3183
3297
33111
34125
35139
36153
3771
3879
3995
40103
41119
42127
43143
44151
45167
4689
47107
48143
49161
50179
51197
52233
53251
54269
55287
56109
57119
58129
59139

[-1,1,3,5,7,11,11,17,23,29,19,23,27,31,39,29,49,
 59,79,89,109,41,47,53,59,65,71,83,55,69,83,97,111,
 125,139,153,71,79,95,103,119,127,143,151,167,89,
 107,143,161,179,197,233,251,269,287,109,119,129,
 139]