A132943 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A132943 as a simple table

n	a(n)
1	1
2	12
3	123
4	1234
5	12345
6	123457
7	1234578
8	12345789
9	1234578910
10	123457891011
11	12345789101112
12	1234578910111213
13	123457891011121314
14	12345789101112131415
15	1234578910111213141516
16	123457891011121314151617

[1,12,123,1234,12345,123457,1234578,12345789, 1234578910,123457891011,12345789101112, 1234578910111213,123457891011121314, 12345789101112131415,1234578910111213141516, 123457891011121314151617]