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A187984 as a simple table

na(n)
10
25
311
439
5144
6467
71673
85825
920404
1072246
11255137
12905611
133220635
1411472797
1540956011
16146412581
17524169045
181878990744
196743276222
2024225861208
2187117117408
22313552816720
231129460906243
244071526431770
2514687417557462
2653016891233217
27191489301052386
28692020548649474
292502200138127277
309051895373199102
3132761105883346693

[0,5,11,39,144,467,1673,5825,20404,72246,255137,
 905611,3220635,11472797,40956011,146412581,
 524169045,1878990744,6743276222,24225861208,
 87117117408,313552816720,1129460906243,
 4071526431770,14687417557462,53016891233217,
 191489301052386,692020548649474,2502200138127277,
 9051895373199102,32761105883346693]