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A045740 as a simple table

na(n)
11
23
312
462
5370
62397
716345
8115376
9834786
106152285
1145990120
12347673108
132652283517
1420385035972
15157656007680
161225743120520
179572972899946
1875056029550721
19590469939950716
204659115833115680
2136859770507695688

[1,3,12,62,370,2397,16345,115376,834786,6152285,
 45990120,347673108,2652283517,20385035972,
 157656007680,1225743120520,9572972899946,
 75056029550721,590469939950716,4659115833115680,
 36859770507695688]