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A245138 as a simple table

na(n)
01
11
21
313
449
5361
63121
739733
8409249
96410641
1091979041
111716516253
1229795642449
13660718214521
1413656276138961
15345794520085573
168290832204163649
17237409681243284001
186465138777774530881
19206263448435258395693
206296129943088315156849
21221484543685548532051081

[1,1,1,13,49,361,3121,39733,409249,6410641,
 91979041,1716516253,29795642449,660718214521,
 13656276138961,345794520085573,8290832204163649,
 237409681243284001,6465138777774530881,
 206263448435258395693,6296129943088315156849,
 221484543685548532051081]