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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A001703 Decimal concatenation of n, n+1, and n+2.

Table of values

n a(n)
0 12
1 123
2 234
3 345
4 456
5 567
6 678
7 789
8 8910
9 91011
10 101112
11 111213
12 121314
13 131415
14 141516
15 151617
16 161718
17 171819
18 181920
19 192021
20 202122
21 212223
22 222324
23 232425
24 242526
25 252627
26 262728
27 272829
28 282930
29 293031
30 303132
31 313233
32 323334
33 333435
34 343536
35 353637
36 363738

List of values

[12, 123, 234, 345, 456, 567, 678, 789, 8910, 91011, 101112, 111213, 121314, 131415, 141516, 151617, 161718, 171819, 181920, 192021, 202122, 212223, 222324, 232425, 242526, 252627, 262728, 272829, 282930, 293031, 303132, 313233, 323334, 333435, 343536, 353637, 363738]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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