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A256860 as a simple table

na(n)
11
27
333
4119
5350
6882
71974
84026
97623
1013585
1123023
1237401
1358604
1489012
15131580
16189924
17268413
18372267
19507661
20681835
21903210
221181510
231527890
241955070
252477475
263111381
273875067
284788973
295875864
307161000
318672312
3210440584
3312499641
3414886543

[1,7,33,119,350,882,1974,4026,7623,13585,23023,
 37401,58604,89012,131580,189924,268413,372267,
 507661,681835,903210,1181510,1527890,1955070,
 2477475,3111381,3875067,4788973,5875864,7161000,
 8672312,10440584,12499641,14886543]