login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A140810 Positions of heptagonal numbers in the EKG sequence. 0
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; refs; listen; history; internal format)
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 * A166041 A115019 A022970

Adjacent sequences:  A140807 A140808 A140809 * A140811 A140812 A140813

KEYWORD

nonn

AUTHOR

Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Jul 15 2008

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 15 16:49 EST 2012. Contains 205824 sequences.