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A049070 as a simple table

na(n)
00
12
227
3224
41500
58910
649049
7256256
81288872
96298500
1030093910
11141210432
12652860520
132981331990
1413472983125
1560343756800
16268187306640
171183875281820
185194996380090
1922676052360000
2098513956031400
21426171522716940
221836562780483002

[0,2,27,224,1500,8910,49049,256256,1288872,
 6298500,30093910,141210432,652860520,2981331990,
 13472983125,60343756800,268187306640,
 1183875281820,5194996380090,22676052360000,
 98513956031400,426171522716940,1836562780483002]