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.

A101033 Triangle read by rows giving the coefficients of general sum formulas of n-th Lucas numbers (A000204). The k-th row (k>=1) contains T(i,k) for i=1 to 2*k-1, where T(i,k) satisfies L(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 -2
4 -3
5 2
6 15
7 51
8 65
9 27
10 6
11 -148
12 -945
13 -2292
14 -2776
15 -1680
16 -405
17 24
18 2290
19 19580
20 71965
21 145525
22 175244
23 125950
24 50085
25 8505
26 120
27 -41676
28 -473072
29 -2340400
30 -6676835
31 -12132890
32 -14587261
33 -11619692
34 -5290005
35 -1752030
36 -229635
37 720
38 943908
39 13132532
40 81977672
41 303352938
42 740797855

List of values

[1, 1, -2, -3, 2, 15, 51, 65, 27, 6, -148, -945, -2292, -2776, -1680, -405, 24, 2290, 19580, 71965, 145525, 175244, 125950, 50085, 8505, 120, -41676, -473072, -2340400, -6676835, -12132890, -14587261, -11619692, -5290005, -1752030, -229635, 720, 943908, 13132532, 81977672, 303352938, 740797855]