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.

A135816 Alternating row sums of triangle A135814 (number of coincidence-free m-tuple lists of length n).

Table of values

n a(n)
0 1
1 -1
2 1
3 -2
4 2
5 9
6 231
7 -208
8 -903776
9 -143213213
10 118835487821
11 388585756132242
12 -521157743571990450
13 -72978076847525420725075
14 -1904341683955074815027626877
15 1483881447421749524769255709488292
16 1360468742213189927760243663613128043340

List of values

[1, -1, 1, -2, 2, 9, 231, -208, -903776, -143213213, 118835487821, 388585756132242, -521157743571990450, -72978076847525420725075, -1904341683955074815027626877, 1483881447421749524769255709488292, 1360468742213189927760243663613128043340]

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

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