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A090014 as a simple table

na(n)
15
225
3155
41135
59545
690445
7952175
811016595
9138864365
101893369505
1127756952355
12435287980375
137269934161905
14128812336516885
152413131201408695
1647652865538001595
17989254278781162325

[5,25,155,1135,9545,90445,952175,11016595,
 138864365,1893369505,27756952355,435287980375,
 7269934161905,128812336516885,2413131201408695,
 47652865538001595,989254278781162325]