A115035 - OEIS

%I #3 Jan 30 2016 16:04:56

%S 1,2,3,4,6,22,29,31,32,33,37,39,41,82,86,106,117,122,126,142,145,150,

%T 157,159,161,165,171,173,175,178,181,184,185,187,189,190,191,193,194,

%U 195,197,198,199,201,202,203,205,206,209,210,213,215,217,218,219,225

%N Natural numbers which when multiplied by 10 do not yield valid duplicate bridge scores.

%H Wikipedia, <a href="http://en.wikipedia.org/wiki/Bridge_scoring">Bridge scoring</a>

%e Scores in duplicate bridge take values of multiples of 10. The smallest positive score is 50 (one down, non-doubled, non-vulnerable). Hence the values 10, 20, 30 and 40 are invalid bridge scores.

%K nonn

%O 1,2

%A Johannes Koelman (Joc_Kay(AT)hotmail.com), Feb 26 2006