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 A210568 Array read by upwards antidiagonals: majority index of "comet" C_{s,t}. 0
 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 4, 4, 5, 5, 5, 5, 5, 4, 4, 4, 6, 6, 6, 6, 6, 6, 5, 5, 5, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 REFERENCES Lowell W. Beineke, Michael A. Henning, Opinion functions on trees. 15th British Combinatorial Conference (Stirling, 1995). Discrete Math. 167/168 (1997), 127--139. MR1446738 (98a:05049) LINKS Lowell W. Beineke, Michael A. Henning, Opinion functions on trees, Discrete Mathematics, Volumes 167-168, 15 April 1997, Pages 127-139, Selected Papers 15th British Combinatorial Conference EXAMPLE Array begins: 2 2 3 3 4 4 4 4 5 5 6 6 ... 2 3 3 4 4 4 4 5 5 6 6 6 ... 3 3 4 4 5 4 5 5 6 6 6 6 ... 3 4 4 5 5 6 5 6 6 6 6 7 ... 4 4 5 5 6 6 6 6 6 6 7 7 ... ... PROG (PARI) majC(s, t) = {if (t <= 5, return ((s+t)\2 + 1)); if ((6 <= t) && (t <= s+2), return ((s+t)\2 - (t-1)\3 + 2)); if (t >= s+3, return ((2*(s+t)\2)\3+2)); } \\ Michel Marcus, Mar 30 2013 CROSSREFS Sequence in context: A186188 A227177 A132944 * A262887 A106432 A227923 Adjacent sequences:  A210565 A210566 A210567 * A210569 A210570 A210571 KEYWORD nonn,tabl AUTHOR N. J. A. Sloane, Mar 22 2012 STATUS approved

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Last modified February 24 01:16 EST 2020. Contains 332195 sequences. (Running on oeis4.)