A098982 Total number of self-intersections of all walks on the triangular lattice starting at the origin.

0, 0, 6, 84, 846, 7344, 58704

Offset

0,3

Links

Table of n, a(n) for n=0..6.

Crossrefs

Cf. A098981.

Sequence in context: A054605 A119576 A371471 * A229455 A212701 A248338

Adjacent sequences: A098979 A098980 A098981 * A098983 A098984 A098985

Keyword

nonn

Author

Pietro Monari (Pietro.Monari(AT)tetrapak.com), Oct 24 2004

Status

approved