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A040387 as a simple table

na(n)
020
15
240
35
440
55
640
75
840
95
1040
115
1240
135
1440
155
1640
175
1840
195
2040
215
2240
235
2440
255
2640
275
2840
295
3040
315
3240
335
3440
355
3640
375
3840
395
4040
415
4240
435
4440
455
4640
475
4840
495
5040
515
5240
535
5440
555
5640
575
5840
595
6040
615
6240
635
6440
655
6640
675
6840
695
7040
715
7240
735
7440

[20,5,40,5,40,5,40,5,40,5,40,5,40,5,40,5,40,5,40,
 5,40,5,40,5,40,5,40,5,40,5,40,5,40,5,40,5,40,5,40,
 5,40,5,40,5,40,5,40,5,40,5,40,5,40,5,40,5,40,5,40,
 5,40,5,40,5,40,5,40,5,40,5,40,5,40,5,40]