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.

A247584 a(n) = 5*a(n-1) - 10*a(n-2) + 10*a(n-3) - 5*a(n-4) + 3*a(n-5) with a(0) = a(1) = a(2) = a(3) = a(4) = 1.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 3
6 13
7 43
8 113
9 253
10 509
11 969
12 1849
13 3719
14 8009
15 18027
16 40897
17 91257
18 198697
19 423777
20 894081
21 1886011
22 4007301
23 8594411
24 18560081
25 40181493
26 86872293
27 187197193
28 402060793
29 861827743
30 1846685729
31 3960390059
32 8504658049
33 18283290609
34 39325827729

List of values

[1, 1, 1, 1, 1, 3, 13, 43, 113, 253, 509, 969, 1849, 3719, 8009, 18027, 40897, 91257, 198697, 423777, 894081, 1886011, 4007301, 8594411, 18560081, 40181493, 86872293, 187197193, 402060793, 861827743, 1846685729, 3960390059, 8504658049, 18283290609, 39325827729]