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A038624 as a simple table

na(n)
11
21
312
431
569
6181
7443
81052
92701
106455
1115928
1240073
13100362
14251707
15637235
161617175
174124437
1810553415
1927066974
2069709680
21179992909
22465769803
231208198526
243140421716
258179002096
2621338685407
2755762149030
28145935689361

[1,1,12,31,69,181,443,1052,2701,6455,15928,40073,
 100362,251707,637235,1617175,4124437,10553415,
 27066974,69709680,179992909,465769803,1208198526,
 3140421716,8179002096,21338685407,55762149030,
 145935689361]