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A295142 as a simple table

na(n)
01
13
29
325
464
5159
6389
7945
82289
95534
1013369
1132285
1277953
13188206
14454381
151096985
162648369
176393742
1815435873
1937265509
2089966913
21217199358
22524365653
231265930690

[1,3,9,25,64,159,389,945,2289,5534,13369,32285,
 77953,188206,454381,1096985,2648369,6393742,
 15435873,37265509,89966913,217199358,524365653,
 1265930690]