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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.

A100492 Triangle read by rows giving the coefficients of general sum formulas of n-th Fibonacci numbers (A000045). The k-th row (k>=1) contains T(i,k) for i=1 to 2*k-1, where T(i,k) satisfies F(n) = Sum_{k=1..n} Sum_{i=1..2*k-1} T(i,k) * C(n-k,i-1) * n^(n-k) / (n-1)!.

Table of values

n a(n)
1 1
2 -1
3 -4
4 -3
5 10
6 49
7 95
8 83
9 27
10 -90
11 -740
12 -2415
13 -4110
14 -3890
15 -1950
16 -405
17 1320
18 14054
19 64116
20 164059
21 258461
22 257604
23 159070
24 55755
25 8505
26 -23640
27 -318684
28 -1881532
29 -6452300
30 -14294605
31 -21442540
32 -22106669
33 -15496012
34 -7078575
35 -1905120
36 -229635
37 523440
38 8474100
39 61424596

List of values

[1, -1, -4, -3, 10, 49, 95, 83, 27, -90, -740, -2415, -4110, -3890, -1950, -405, 1320, 14054, 64116, 164059, 258461, 257604, 159070, 55755, 8505, -23640, -318684, -1881532, -6452300, -14294605, -21442540, -22106669, -15496012, -7078575, -1905120, -229635, 523440, 8474100, 61424596]