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A144080 Positions of hexagonal pyramidal numbers in the EKG sequence. 1

%I #2 Mar 30 2012 17:25:51

%S 1,14,19,46,85,155,233,350,494,659,878,1163,1460,1828,2260,2726,3271,

%T 3873,4564,5321,6151,7032,8044,9151

%N Positions of hexagonal pyramidal numbers in the EKG sequence.

%e The hexagonal pyramidal number 9500 is located at position 9151 in the EKG sequence.

%Y A002412, A064413

%K nonn

%O 1,2

%A _Parthasarathy Nambi_, Sep 09 2008

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Last modified April 18 20:26 EDT 2024. Contains 371781 sequences. (Running on oeis4.)