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 A191405 A001951(n)+A001951(n+1). 3
 1, 3, 6, 9, 12, 15, 17, 20, 23, 26, 29, 31, 34, 37, 40, 43, 46, 49, 51, 54, 57, 60, 63, 65, 68, 71, 74, 77, 80, 83, 85, 88, 91, 94, 97, 99, 102, 105, 108, 111, 113, 116, 119, 122, 125, 128, 131, 133, 136, 139, 142, 145, 147, 150, 153, 156, 159, 162, 165, 167, 170, 173, 176, 179, 181, 184, 187, 190, 193, 195 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 LINKS Table of n, a(n) for n=0..69. MATHEMATICA r = Sqrt[2]; f[n_] := Floor[n*r]; Table[f[n], {n, 0, 100}] (* A001951 *) Table[f[n] + f[n + 1], {n, 0, 100}] (* A191405(n)=A001951(n)+A001951(n+1) *) Table[f[n] + f[n + 2], {n, 0, 100}] (* A191406(n)=A001951(n)+A001951(n+2) *) Table[f[n] + f[n + 3], {n, 0, 100}] (* A191407(n)=A001951(n)+A001951(n+3) *) CROSSREFS Cf. A191402, A191406, A191407. Sequence in context: A329514 A346951 A162500 * A198263 A276192 A347404 Adjacent sequences: A191402 A191403 A191404 * A191406 A191407 A191408 KEYWORD nonn AUTHOR Clark Kimberling, Jun 01 2011 STATUS approved

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Last modified December 8 03:15 EST 2023. Contains 367662 sequences. (Running on oeis4.)