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.

A087925 Number of ways of arranging the numbers 1 ... 4n into a 4 X n array so there is exactly one local maximum.

Table of values

n a(n)
1 8
2 3584
3 7452704
4 35704394880
5 331333877743200
6 5338455334819710720
7 137813651152462288749440
8 5359457796069778002771306240
9 299167849199075018703047460201600

List of values

[8, 3584, 7452704, 35704394880, 331333877743200, 5338455334819710720, 137813651152462288749440, 5359457796069778002771306240, 299167849199075018703047460201600]

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

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