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A polyspiral path: a(n) represents the n-th vertex of a lattice path with an infinite number of finite square spirals.
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%I #2 Mar 30 2012 17:34:03

%S 0,2,4,5,6,11,16,19,22,24,26,27,28,36,44,49,54,58,62,65,68,70,72,73,

%T 74,85,96,103,110,116,122,127,132,136,140,143,146,148,150,151,152,166,

%U 180,189,198,206,214,221,228,234,240,245,250,254,258

%N A polyspiral path: a(n) represents the n-th vertex of a lattice path with an infinite number of finite square spirals.

%C Also, partial sums of the sequence formed by 0 together with the numbers of A171176 repeated.

%C For another version see A171165.

%Y Cf. A171165, A171173, A171174, A171175, A171176, A171177, A171178.

%K easy,nonn

%O 0,2

%A _Omar E. Pol_, Mar 14 2010

%E Edited by _Omar E. Pol_, Mar 16 2010