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A162800
a(n) = n-th grid point that is covered by the zig-zag function for prime numbers such that the grid point is a vertex in the graph of the function.
5
0, 2, 4, 6, 9, 12, 15, 18, 21, 26, 30, 34, 39, 42, 45, 50, 56, 60, 64, 69, 72, 76, 81, 86, 93, 99, 102, 105, 108, 111, 120, 129, 134, 138, 144, 150, 154, 160, 165, 170, 176, 180, 186, 192, 195, 198, 205, 217, 225, 228, 231, 236, 240, 246, 254, 260, 266, 270, 274, 279
OFFSET
0,2
COMMENTS
Also {0, 2} together the numbers A024675.
See A162345 for the first differences.
MATHEMATICA
Join[{0, 2}, Most[#] + Differences[#]/2] & [Prime[Range[2, 100]]] (* Paolo Xausa, Jun 17 2024 *)
KEYWORD
easy,nonn
AUTHOR
Omar E. Pol, Jul 16 2009
EXTENSIONS
Edited by Omar E. Pol, Jul 18 2009
STATUS
approved