OFFSET

1,4

COMMENTS

LINKS

Peter Kagey, Table of n, a(n) for n = 1..10000

EXAMPLE

For n = 4:

step size 1: 0 -> 1 -> 2 -> 3 -> 4 (four steps);

step size 2: 4 -> 2 -> 0 (two steps);

step size 3: 0 -> 3 (one step).

Because the walker cannot take four steps down, a(4) = 3 (the final position).

CROSSREFS

KEYWORD

nonn

AUTHOR

Peter Kagey, Feb 18 2017

STATUS

approved