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A055418 as a simple table

na(n)
01
14
211
329
470
5157
6337
7702
81420
92780
105258
119615
1217043
1329381
1449430
1581404
16131563
17209084
18327237
19504945
20768820
211155781
221716375
232518938
243654750
255244356
267445244
2710461091
2814552809
2920051645
3027374612
3137042552
3249701157

[1,4,11,29,70,157,337,702,1420,2780,5258,9615,
 17043,29381,49430,81404,131563,209084,327237,
 504945,768820,1155781,1716375,2518938,3654750,
 5244356,7445244,10461091,14552809,20051645,
 27374612,37042552,49701157]