login

A140402 as a simple table

na(n)
00
10
20
30
41
53
64
77
89
912
1016
1120
1224
1329
1434
1540
1646
1753
1859
1967
2075
2183
2292
23101
24110
25121
26131
27142
28153
29165
30177
31190
32203
33216
34230
35245
36259
37275
38290
39306
40323
41340
42357
43375
44393
45412
46431
47451
48470
49491
50512
51533
52555
53577
54599
55623
56646
57670
58694
59719
60744
61770

[0,0,0,0,1,3,4,7,9,12,16,20,24,29,34,40,46,53,59,
 67,75,83,92,101,110,121,131,142,153,165,177,190,
 203,216,230,245,259,275,290,306,323,340,357,375,
 393,412,431,451,470,491,512,533,555,577,599,623,
 646,670,694,719,744,770]