A189682 - OEIS

A189682

(A189680)/2; from a 3-way partition of the positive integers.

1, 3, 5, 6, 8, 10, 11, 13, 15, 16, 18, 20, 22, 23, 25, 27, 28, 30, 32, 33, 35, 37, 38, 40, 42, 44, 45, 47, 49, 50, 52, 54, 55, 57, 59, 60, 62, 64, 66, 67, 69, 71, 72, 74, 76, 77, 79, 81, 83, 84, 86, 88, 89, 91, 93, 94, 96, 98, 99, 101, 103, 105, 106, 108, 110, 111, 113, 115, 116, 118, 120, 121, 123, 125, 127, 128, 130, 132, 133, 135, 137, 138, 140, 142, 143

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OFFSET

1,2

COMMENTS

See A189676.

LINKS

Table of n, a(n) for n=1..85.

MATHEMATICA

r=Pi/2; s=ArcSin[3/5]; t=ArcSin[4/5];

a[n_] := n + Floor[n*s/r] + Floor[n*t/r];

b[n_] := n + Floor[n*r/s] + Floor[n*t/s];

c[n_] := n + Floor[n*r/t] + Floor[n*s/t];