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A171165 A polyspiral path: a(n) represents the n-th vertex of a lattice path with an infinite number of finite square spirals. 4
0, 2, 4, 5, 6, 10, 14, 15, 16, 18, 20, 23, 26, 33, 40, 41, 42, 44, 46, 49, 52, 56, 60, 65, 70, 80, 90, 91, 92, 94, 96, 99, 102, 106, 110, 115, 120, 126, 132, 139, 146, 159, 172, 173, 174, 176, 178, 181, 184, 188, 192, 197, 202, 208, 214 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

Also, partial sums of the sequence formed by 0 together the numbers of A171173 repeated.

For another version see A171166.

LINKS

Table of n, a(n) for n=0..54.

CROSSREFS

Cf. A171166, A171173, A171174, A171175, A171176, A171177, A171178.

Sequence in context: A128171 A233768 A240748 * A039036 A219046 A043045

Adjacent sequences:  A171162 A171163 A171164 * A171166 A171167 A171168

KEYWORD

easy,nonn

AUTHOR

Omar E. Pol, Mar 14 2010

STATUS

approved

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Last modified June 20 05:01 EDT 2019. Contains 324229 sequences. (Running on oeis4.)