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.

A099038 Diagonal sums of a Krawtchouk triangle.

Table of values

n a(n)
0 1
1 1
2 0
3 1
4 5
5 6
6 3
7 13
8 42
9 55
10 55
11 162
12 413
13 591
14 810
15 2001
16 4451
17 6900
18 11091
19 24795
20 51030
21 84337
22 147253
23 309666
24 610695
25 1058041
26 1928646
27 3903175
28 7528741
29 13480380
30 25126093
31 49640405
32 94739568
33 173440389
34 326974495
35 636424008

List of values

[1, 1, 0, 1, 5, 6, 3, 13, 42, 55, 55, 162, 413, 591, 810, 2001, 4451, 6900, 11091, 24795, 51030, 84337, 147253, 309666, 610695, 1058041, 1928646, 3903175, 7528741, 13480380, 25126093, 49640405, 94739568, 173440389, 326974495, 636424008]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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