id:A140810 - OEIS Search Results

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Positions of heptagonal numbers in the EKG sequence.

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1, 14, 12, 32, 53, 76, 104, 145, 179, 226, 269, 325, 368, 450, 507, 585, 674, 749, 827, 917, 1019, 1127, 1230, 1343, 1473, 1595, 1708, 1832, 1997, 2111, 2257, 2408, 2571, 2727, 2888, 3054, 3198, 3420, 3587, 3766, 4015, 4161, 4383, 4558, 4803, 5033, 5245 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`5688 is a heptagonal number located at position 5470 in the EKG sequence.`
	CROSSREFS	`Cf. A000566, A064413.` `Sequence in context: A147370 A140739 A004503 this_sequence A166041 A115019 A022970` `Adjacent sequences: A140807 A140808 A140809 this_sequence A140811 A140812 A140813`
	KEYWORD	`nonn`
	AUTHOR	`Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Jul 15 2008`

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Last modified December 4 08:07 EST 2009. Contains 170310 sequences.

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