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A006748 as a simple table

na(n)
10
20
31
40
52
62
77
85
926
1022
1191
1279
13326
14301
151186
161117
174352
184212
1916119
2015849
2160174
2260089
23226146
24228426
25854803
26872404
273247207
283342579
2912389106
3012850662
3147448984
3249544820
33182338754
34191529007
35702807040
36742163178
372716205709
382882119756

[0,0,1,0,2,2,7,5,26,22,91,79,326,301,1186,1117,
 4352,4212,16119,15849,60174,60089,226146,228426,
 854803,872404,3247207,3342579,12389106,12850662,
 47448984,49544820,182338754,191529007,702807040,
 742163178,2716205709,2882119756]