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A100327 as a simple table

na(n)
01
12
28
342
4252
51636
611188
779386
8579020
94314300
1032697920
11251284292
121953579240
1315336931928
14121416356108
15968187827834
167769449728780
1762696580696172
18508451657412496
194141712433518956
2033872033298518728
21278014853384816184
222289376313410678312

[1,2,8,42,252,1636,11188,79386,579020,4314300,
 32697920,251284292,1953579240,15336931928,
 121416356108,968187827834,7769449728780,
 62696580696172,508451657412496,4141712433518956,
 33872033298518728,278014853384816184,
 2289376313410678312]