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.

A188361 Number of arrangements of 6 numbers x(i) in -n..n with the sum of x(i)*x(i+1) equal to zero.

Original entry on oeis.org

197, 1953, 7369, 22229, 45801, 100885, 163745, 283893, 438373, 678617, 911709, 1386673, 1772141, 2399001, 3175561, 4167365, 5010369, 6549541, 7719713, 9789981, 11867065, 14232893, 16279425, 20224801
Offset: 1

Views

Author

R. H. Hardin Mar 28 2011

Keywords

Comments

Row 5 of A188358

Examples

			Some solutions for n=4
..0...-2...-2....4....2...-3...-2....3...-4....1....1...-4....4....2....2....3
.-3...-1...-3...-2....0...-2...-3...-1....2....0...-1....1....1....3....0....3
.-3....0....2....2...-2...-3....3....1...-1...-3....1...-1....4...-1....0...-3
..2...-3....2....4...-3....4....4....4...-1....3....0...-3...-2....1...-1....2
.-1....1...-2....4....2....4...-3....0....3....3...-1....2...-4...-1....0....2
..1....1....0...-3....0...-4...-1....2....4....0...-2....4....2....1....0....1

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

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