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A011957 as a simple table

na(n)
10
21
31
41
51
62
73
86
910
1018
1131
1259
13105
14198
15365
16688
171285
182438
194599
208755
2116647
2231806
2360787
24116570
25223696
26430290
27828514
281598025
293085465
305965612
3111545611
3222370304
3343383539
3484216330
35163617801
36318148208
37619094385
381205609454
392349383925
404581307186
418939118925
4217452582356

[0,1,1,1,1,2,3,6,10,18,31,59,105,198,365,688,1285,
 2438,4599,8755,16647,31806,60787,116570,223696,
 430290,828514,1598025,3085465,5965612,11545611,
 22370304,43383539,84216330,163617801,318148208,
 619094385,1205609454,2349383925,4581307186,
 8939118925,17452582356]