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Least k such that n divides a difference between distinct pentagonal numbers when the differences are ordered as in A205136.
1

%I #5 Mar 30 2012 18:58:10

%S 1,1,4,1,6,8,3,15,37,6,2,19,10,25,8,15,5,37,21,24,4,28,9,19,11,75,352,

%T 30,14,8,55,231,34,7,20,37,78,150,13,24,27,53,105,95,70,12,35,19,72,

%U 11,76,98,44,380,41,30,26,18,54,103

%N Least k such that n divides a difference between distinct pentagonal numbers when the differences are ordered as in A205136.

%C For a guide to related sequences, see A204892.

%t (See the program at A205138.)

%Y Cf. A205138, A204892.

%K nonn

%O 1,3

%A _Clark Kimberling_, Jan 25 2012