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A131780 as a simple table

na(n)
11
24
35
410
515
626
741
868
9109
10178
11287
12466
13753
141220
151973
163194
175167
188362
1913529
2021892
2135421
2257314
2392735
24150050
25242785
26392836
27635621
281028458
291664079
302692538
314356617
327049156
3311405773
3418454930
3529860703
3648315634
3778176337
38126491972

[1,4,5,10,15,26,41,68,109,178,287,466,753,1220,
 1973,3194,5167,8362,13529,21892,35421,57314,92735,
 150050,242785,392836,635621,1028458,1664079,
 2692538,4356617,7049156,11405773,18454930,
 29860703,48315634,78176337,126491972]