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.

A050611 Sum_{i=0..n} (C(n,i) mod 2)*Fibonacci(2i+1) = FL(n+1)Product(L(2^i)^bit(n,i),i=0..).

Table of values

n a(n)
0 1
1 3
2 6
3 21
4 35
5 126
6 273
7 987
8 1598
9 5781
10 12549
11 45402
12 76657
13 277347
14 602070
15 2178309
16 3524579
17 12752046
18 27682401
19 100155867
20 169104754
21 611826747
22 1328165979
23 4805349654
24 7782268225
25 28156510947
26 61122728166
27 221144107989

List of values

[1, 3, 6, 21, 35, 126, 273, 987, 1598, 5781, 12549, 45402, 76657, 277347, 602070, 2178309, 3524579, 12752046, 27682401, 100155867, 169104754, 611826747, 1328165979, 4805349654, 7782268225, 28156510947, 61122728166, 221144107989]