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A299590 as a simple table

na(n)
13
23
35
411
519
635
765
8120
9220
10404
11744
121369
132517
144629
158515
1615662
1728806
1852982
1997450
20179239
21329671
22606359
231115269
242051300
253772928
266939496
2712763724
2823476149
2943179369
3079419241
31146074759
32268673370
33494167370
34908915498

[3,3,5,11,19,35,65,120,220,404,744,1369,2517,4629,
 8515,15662,28806,52982,97450,179239,329671,606359,
 1115269,2051300,3772928,6939496,12763724,23476149,
 43179369,79419241,146074759,268673370,494167370,
 908915498]