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A171164 A polyspiral path: a(n) represents the n-th vertex of a lattice path with an infinite number of finite square spirals. 6
0, 1, 2, 3, 4, 8, 12, 13, 14, 16, 18, 21, 24, 31, 38, 39, 40, 42, 44, 47, 50, 54, 58, 63, 68, 78, 88, 89, 90, 92, 94, 97, 100, 104, 108, 113, 118, 124, 130, 137, 144, 157, 170, 171, 172, 174, 176, 179, 182, 186, 190, 195, 200, 206, 212 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
COMMENTS
Note that the vertex 0 and the vertex 4 both are overlapping.
For other versions see A171165 and A171166.
Also, partial sums of the sequence formed by 0 together with the numbers of A171172 repeated.
LINKS
CROSSREFS
Sequence in context: A164573 A360706 A064418 * A361108 A283659 A355441
KEYWORD
easy,nonn
AUTHOR
Omar E. Pol, Mar 14 2010
STATUS
approved

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Last modified June 14 18:16 EDT 2024. Contains 373401 sequences. (Running on oeis4.)