A000217 by b_jonas

print"1
3
6
10
15
21
28
36
45
55
66
78
91
105
120
136
153
171
190
210
231
253
276
300
325
351
378
406
435
465
496
528
561
595
630
666
703
741
780
820"

Note that non-ascii characters in the above source code will be escaped (such as \x9f).

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