A077819 a(n) is the exponent of 3 in the denominator of the probability P(n) of the occurrence of a 3-dimensional self-trapping walk of length n.

0, 0, 1, 0, 1, 3, 2, 1, 5

Offset

11,6

References

See under A077818.

Links

Table of n, a(n) for n=11..19.

Formula

P(n) = A077818(n) / ( 5^(n-1) * 3^a(n) * 2^A077820(n) ).

Example

See under A077818.

Crossrefs

Cf. A077818, A077820, A377161, A377162, A378903.

Sequence in context: A245183 A262347 A182236 * A030313 A300219 A278817

Adjacent sequences: A077816 A077817 A077818 * A077820 A077821 A077822

Keyword

nonn,frac,more

Author

Hugo Pfoertner, Nov 17 2002

Status

approved