A077484 Probability P(n) of the occurrence of a 2D self-trapping walk of length n: Exponent of 2 in the denominator.

0, 0, 0, 1, 2, 0, 2, 4, 5, 2, 5, 7, 8, 8

Offset

7,5

Comments

This sequence is the exponent of 2 in the denominator for P(n).

References

For references see under A077483

Links

Table of n, a(n) for n=7..20.

Formula

P(n) = A077483(n) / ( 3^(n-1) * 2^A077484(n) )

Crossrefs

Cf. A077483.

Sequence in context: A240747 A120553 A078023 * A182064 A194751 A194739

Adjacent sequences: A077481 A077482 A077483 * A077485 A077486 A077487

Keyword

frac,more,nonn,walk

Author

Hugo Pfoertner, Nov 08 2002

Status

approved