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A065220 as a simple table

na(n)
00
10
2-1
3-1
4-1
50
62
76
813
925
1045
1178
12132
13220
14363
15595
16971
171580
182566
194162
206745
2110925
2217689
2328634
2446344
2575000
26121367
27196391
28317783
29514200
30832010
311346238
322178277
333524545
345702853
359227430
3614930316
3724157780
3839088131
3963245947
40102334115
41165580100
42267914254

[0,0,-1,-1,-1,0,2,6,13,25,45,78,132,220,363,595,
 971,1580,2566,4162,6745,10925,17689,28634,46344,
 75000,121367,196391,317783,514200,832010,1346238,
 2178277,3524545,5702853,9227430,14930316,24157780,
 39088131,63245947,102334115,165580100,267914254]