A140804 - OEIS

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A140804

Positions of harmonic numbers in the EKG sequence.

1

1, 4, 26, 120, 251, 471, 637, 1559, 2844, 5906, 7829, 7890, 17947, 17975, 26952, 29262, 31709, 54154, 102609, 114420, 162761, 168799, 231114, 235525, 323892, 350966, 525790, 678299, 708252, 734937, 927951, 1063197, 1387894, 1503684, 2128689, 2178662, 2238101, 2401400

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

LINKS

Michael De Vlieger, Table of n, a(n) for n = 1..60 (a(n) <= 43892391.)

EXAMPLE

8190 is a harmonic number located at position 7890 in the EKG sequence.

CROSSREFS

Cf. A001599, A064413.

Sequence in context: A359254 A222663 A267675 * A147621 A246854 A267847

Adjacent sequences: A140801 A140802 A140803 * A140805 A140806 A140807

KEYWORD

nonn

AUTHOR

Parthasarathy Nambi, Jul 15 2008

STATUS

approved