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A207447 as a simple table

na(n)
135
21225
314743
4165626
52078416
624609889
7284247216
83316383098
938630942068
10448234580146
115204017590681
1260440346257235
13701591767463860
148143643192312255
1594537663920104487
161097406693263337001

[35,1225,14743,165626,2078416,24609889,284247216,
 3316383098,38630942068,448234580146,5204017590681,
 60440346257235,701591767463860,8143643192312255,
 94537663920104487,1097406693263337001]