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A149201 as a simple table

na(n)
01
11
24
310
438
5134
6507
72018
88024
933221
10138794
11588023
122533091
1310975240
1448141523
15212612970
16945494118
174234748400
1819059805239
1986265428509
20392211632290
211790568345881
228207727624586
2337751086931393
24174216385022607
25806418636880499
263743114760570289
2717420339890164959

[1,1,4,10,38,134,507,2018,8024,33221,138794,
 588023,2533091,10975240,48141523,212612970,
 945494118,4234748400,19059805239,86265428509,
 392211632290,1790568345881,8207727624586,
 37751086931393,174216385022607,806418636880499,
 3743114760570289,17420339890164959]