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A234919 as a simple table

na(n)
112360
247980
3186500
4990956
54834440
628854040
7150606424
8948274980
95093099972
1033282246680
11182453908840
121227449650312
136855533668528
1447143909716212
15268032385984924
161871592421095824
1710821681133242880

[12360,47980,186500,990956,4834440,28854040,
 150606424,948274980,5093099972,33282246680,
 182453908840,1227449650312,6855533668528,
 47143909716212,268032385984924,1871592421095824,
 10821681133242880]