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A269049 as a simple table

na(n)
1144
21068
313140
4149358
51643376
617696520
7187575858
81964080920
920365312416
10209472681102
112140087086852
1221738862087680
13219728193571542
142211332610944712
1522170082238167692
16221519854346189046

[144,1068,13140,149358,1643376,17696520,187575858,
 1964080920,20365312416,209472681102,2140087086852,
 21738862087680,219728193571542,2211332610944712,
 22170082238167692,221519854346189046]