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A376177 as a simple table

na(n)
01
11
23
33
47
517
617
737
881
9179
10179
11375
12787
131655
143489
153489
167157
1714689
1830165
1961985
20127459
21127459
22258407
23523971
241062631
252155427
264372839
278873137
288873137
2917873733
3036005873
3172535717
32146134065
33294423557
34593219953
351195313043
361195313043
372399499223
384816872179
399669750231
4019412036179
4138970206423
4278234836403
43157062892759
44315321098561
45315321098561

[1,1,3,3,7,17,17,37,81,179,179,375,787,1655,3489,
 3489,7157,14689,30165,61985,127459,127459,258407,
 523971,1062631,2155427,4372839,8873137,8873137,
 17873733,36005873,72535717,146134065,294423557,
 593219953,1195313043,1195313043,2399499223,
 4816872179,9669750231,19412036179,38970206423,
 78234836403,157062892759,315321098561,
 315321098561]