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A319172 as a simple table

na(n)
01
12
25
312
427
562
6143
7328
8753
91730
103973
119124
1220955
1348126
14110527
15253840
16582977
171338882
183074917
197061948
2016218683
2137248318
2285545615
23196466648
24451211249
251036265410
262379918501
275465792852
2812552905275
2928829382142

[1,2,5,12,27,62,143,328,753,1730,3973,9124,20955,
 48126,110527,253840,582977,1338882,3074917,
 7061948,16218683,37248318,85545615,196466648,
 451211249,1036265410,2379918501,5465792852,
 12552905275,28829382142]