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• 10:00, 4 December 2024 Gfis talk contribs created page OEIS/Spirals (Created page with "===Hexagonal grid, counterclockwise=== Cf. [https://oeis.org/A056105 A056105] First spoke of a hexagonal spiral. From Robert G. Wilson v, Jul 05 2014: (Start) Each of the 6 primary spokes or rays has a generating formula as stated here: 1st: 90 degrees A056105 3n^2 - 2n + 1 2nd: 30 degrees A056106 3n^2 - n + 1 3rd: 330 degrees A056107 3n^2 + 1 4th: 270 degrees A056108 3n^2 + n + 1 5th: 210 degrees A056109 3n^2 + 2n + 1 6th: 150 degrees A003215 3n^2 + 3n...")
• 09:20, 6 April 2024 Gfis talk contribs created page OEIS/A070080 (Perl program and parameterization)
• 07:59, 2 August 2023 Gfis talk contribs created page OEIS/Attaching segments (Created page with "===Column 5=== attach to: 3,7,11,15,19 ... => 3 mod 4 left side: 1,2,3,4,5,6 ... => 1 mod 1 remaining: 0,1,2 mod 4 ===Column 6=== attach to: 1,5,9,13,17 ... => 1 mod 4 left side: 1,4,7,10,13 1 mod 3 remaining: 0,2 mod 4 double step: if 1 mod 3 = 3 mod 4: 7, 19,31 => 7 mod 12")