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A140810 Positions of heptagonal numbers in the EKG sequence. 0

%I

%S 1,14,12,32,53,76,104,145,179,226,269,325,368,450,507,585,674,749,827,

%T 917,1019,1127,1230,1343,1473,1595,1708,1832,1997,2111,2257,2408,2571,

%U 2727,2888,3054,3198,3420,3587,3766,4015,4161,4383,4558,4803,5033,5245

%N Positions of heptagonal numbers in the EKG sequence.

%e 5688 is a heptagonal number located at position 5470 in the EKG sequence.

%Y Cf. A000566, A064413.

%K nonn

%O 1,2

%A _Parthasarathy Nambi_, Jul 15 2008

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Last modified August 19 03:10 EDT 2022. Contains 356216 sequences. (Running on oeis4.)