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A082268 Triangle read by rows in which the n-th row contains the numbers coprime to n that are made of nonzero digits and having a digit sum of n. An empty row is represented by a 0. 1

%I #4 Dec 05 2013 19:56:12

%S 1,11,0,13,31,121,211,1111,14,23,32,41,113,122,131,212,221,311,1112,

%T 1121,1211,2111,11111,0,16,25,34,43,52,61,115,124,142,151,214,223,232,

%U 241,313,331,412,421,1114,1123,1132,1213,1222,1231,1312,1321,1411,2113

%N Triangle read by rows in which the n-th row contains the numbers coprime to n that are made of nonzero digits and having a digit sum of n. An empty row is represented by a 0.

%e 1

%e 11

%e 0

%e 13 31 121 211 1111

%e 14 23 32 41 113 122 131 212 221 311 1112 1121 1211 2111 11111

%e 0

%e 16 25 34 43 52 61 115 124 142 151 ...

%e ...

%Y Cf. A082269.

%K base,nonn,tabf

%O 1,2

%A _Amarnath Murthy_, Apr 13 2003

%E More terms from _David Wasserman_, Aug 30 2004

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Last modified April 24 06:39 EDT 2024. Contains 371920 sequences. (Running on oeis4.)