login

A266530 as a simple table

na(n)
10
20
31
42
53
64
77
810
911
1012
1115
1218
1323
1428
1535
1642
1743
1844
1947
2050
2155
2260
2367
2474
2579
2684
2795
28106
29123
30140
31155
32170
33171
34172
35175
36178
37183
38188
39195
40202
41207
42212
43223
44234
45251
46268
47283
48298
49303
50308
51319
52330
53347
54364
55383
56402
57423
58444
59483
60522
61571
62620
63651
64682
65683
66684
67687
68690
69695
70700

[0,0,1,2,3,4,7,10,11,12,15,18,23,28,35,42,43,44,
 47,50,55,60,67,74,79,84,95,106,123,140,155,170,
 171,172,175,178,183,188,195,202,207,212,223,234,
 251,268,283,298,303,308,319,330,347,364,383,402,
 423,444,483,522,571,620,651,682,683,684,687,690,
 695,700]