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A008355 as a simple table

na(n)
01
140
2370
31640
44930
511752
624050
744200
875010
9119720
10182002
11265960
12376130
13517480
14695410
15915752
161184770
171509160
181896050
192353000
202888002
213509480
224226290
235047720
245983490
257043752

[1,40,370,1640,4930,11752,24050,44200,75010,
 119720,182002,265960,376130,517480,695410,915752,
 1184770,1509160,1896050,2353000,2888002,3509480,
 4226290,5047720,5983490,7043752]