id:A063177 - OEIS Search Results

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Triangular spiral sequence: sequence is written as a triangular spiral, each entry is the sum of the row in the previous direction containing the previous entry.

+0
4

1, 1, 2, 2, 5, 6, 6, 19, 22, 23, 23, 93, 101, 108, 110, 110, 545, 573, 601, 626, 632, 632, 3719, 3848, 3978, 4102, 4218, 4241, 4241, 28979, 29704, 30431, 31140, 31823, 32478, 32588, 32588, 253972, 258758, 263549, 268252, 272856, 277336, 281687 (list; graph; listen)

	OFFSET	`1,3`
	LINKS	`F.M. van Lamoen, Spiral recurrence.`
	EXAMPLE	`The spiral starts` `............110` `..........545.110` `........573..2..108` `......601..5...2..101` `.........6...1...1..93` `.......6...19..22..23..23`
	CROSSREFS	`Cf. A062410, A063178.` `Sequence in context: A120406 A050157 A054255 this_sequence A034803 A118807 A098507` `Adjacent sequences: A063174 A063175 A063176 this_sequence A063178 A063179 A063180`
	KEYWORD	`nonn,nice`
	AUTHOR	`Floor van Lamoen (fvlamoen(AT)hotmail.com), Jul 09 2001`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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