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A264907 as a simple table

na(n)
01
12
215
3255
45865
5146965
63380195
7125067215
87378965685
9494390700895
1036090521165335
112571956263189313
12187752807212819849
1318212022299643525353
141839414252263996060653
15196817324992247578489871
1621453088424154986055395939
172981979290957543061700035521

[1,2,15,255,5865,146965,3380195,125067215,
 7378965685,494390700895,36090521165335,
 2571956263189313,187752807212819849,
 18212022299643525353,1839414252263996060653,
 196817324992247578489871,
 21453088424154986055395939,
 2981979290957543061700035521]