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A007391 as a simple table

na(n)
10
20
30
40
50
63
70
88
93
1015
1111
1227
1326
1449
1553
1688
17102
18156
19190
20275
21346
22484
23621
24851
251105
261495
271956
282625
293451
304608
316076
328088
3310684
3414195
3518772
3624912
3732967
3843719
3957879
4076723
41101598
42134641
43178321
44236280
45312962
46414644

[0,0,0,0,0,3,0,8,3,15,11,27,26,49,53,88,102,156,
 190,275,346,484,621,851,1105,1495,1956,2625,3451,
 4608,6076,8088,10684,14195,18772,24912,32967,
 43719,57879,76723,101598,134641,178321,236280,
 312962,414644]