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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.

A080827 Rounded up staircase on natural numbers.

Table of values

n a(n)
1 1
2 3
3 5
4 9
5 13
6 19
7 25
8 33
9 41
10 51
11 61
12 73
13 85
14 99
15 113
16 129
17 145
18 163
19 181
20 201
21 221
22 243
23 265
24 289
25 313
26 339
27 365
28 393
29 421
30 451
31 481
32 513
33 545
34 579
35 613
36 649
37 685
38 723
39 761
40 801
41 841
42 883
43 925
44 969
45 1013
46 1059
47 1105
48 1153
49 1201
50 1251
51 1301
52 1353
53 1405
54 1459

List of values

[1, 3, 5, 9, 13, 19, 25, 33, 41, 51, 61, 73, 85, 99, 113, 129, 145, 163, 181, 201, 221, 243, 265, 289, 313, 339, 365, 393, 421, 451, 481, 513, 545, 579, 613, 649, 685, 723, 761, 801, 841, 883, 925, 969, 1013, 1059, 1105, 1153, 1201, 1251, 1301, 1353, 1405, 1459]

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

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