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A085800 as a simple table

na(n)
10
20
31
42
54
67
79
816
919
1034
1139
1255
1375
14113
15153
16199
17245
18318
19426
20499
21733
22866
231110
241347
251794
262099
272667
283559
294087
305219

[0,0,1,2,4,7,9,16,19,34,39,55,75,113,153,199,245,
 318,426,499,733,866,1110,1347,1794,2099,2667,3559,
 4087,5219]