cp's OEIS Frontend

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.

A217893 50k^2-40k-17 interleaved with 50k^2+10k+13 for k=>0.

Table of values

n a(n)
0 -17
1 13
2 -7
3 73
4 103
5 233
6 313
7 493
8 623
9 853
10 1033
11 1313
12 1543
13 1873
14 2153
15 2533
16 2863
17 3293
18 3673
19 4153
20 4583
21 5113
22 5593
23 6173
24 6703
25 7333
26 7913
27 8593
28 9223
29 9953
30 10633
31 11413
32 12143
33 12973
34 13753
35 14633
36 15463
37 16393
38 17273
39 18253
40 19183
41 20213
42 21193

List of values

[-17, 13, -7, 73, 103, 233, 313, 493, 623, 853, 1033, 1313, 1543, 1873, 2153, 2533, 2863, 3293, 3673, 4153, 4583, 5113, 5593, 6173, 6703, 7333, 7913, 8593, 9223, 9953, 10633, 11413, 12143, 12973, 13753, 14633, 15463, 16393, 17273, 18253, 19183, 20213, 21193]