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A176826 as a simple table

na(n)
01
11
23
39
427
585
6283
7985
83539
913013
1048707
11184921
12710347
132755669
1410780139
1542477977
16168439619
17671641685
182691362195
1910832277401
2043771088315
21177504638933
22722178443963
232946919157081
2412057932335283
2549461067106261
26203355663470307
27837870162610137

[1,1,3,9,27,85,283,985,3539,13013,48707,184921,
 710347,2755669,10780139,42477977,168439619,
 671641685,2691362195,10832277401,43771088315,
 177504638933,722178443963,2946919157081,
 12057932335283,49461067106261,203355663470307,
 837870162610137]