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A027943 as a simple table

na(n)
21
322
4155
5709
62587
78273
824416
968595
10187030
11500950
121327986
133499982
149195035
1524115804
1663192397
17165512723
18433410661
191134800215
202971089810
217778591025
2220364830496
2353316076892
24139583609940
25365435000524
26956721681957
272504730383698
286557469861231

[1,22,155,709,2587,8273,24416,68595,187030,500950,
 1327986,3499982,9195035,24115804,63192397,
 165512723,433410661,1134800215,2971089810,
 7778591025,20364830496,53316076892,139583609940,
 365435000524,956721681957,2504730383698,
 6557469861231]