A141422 - OEIS

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A141422

Positions of highly powerful numbers in the EKG sequence.

1

1, 3, 8, 17, 31, 64, 122, 136, 199, 270, 411, 817, 1234, 1649, 2484, 3321, 4981, 7480, 9993, 15012, 20049, 30107, 40176, 60314, 83875, 104889, 125917, 189098, 210131, 252281, 315511, 420913, 505265, 631875, 948460, 1265300, 1899246, 2533506, 3802632, 5072211, 6342407

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

OFFSET

1,2

LINKS

Michael De Vlieger, Table of n, a(n) for n = 1..48 (a(n) <= 43892391.)

EXAMPLE

10368 is a highly powerful number located at position 9993 in the EKG sequence.

CROSSREFS

Cf. A005934, A064413.

Sequence in context: A349975 A105163 A011850 * A076980 A391203 A293057

Adjacent sequences: A141419 A141420 A141421 * A141423 A141424 A141425

KEYWORD

nonn

AUTHOR

Parthasarathy Nambi, Aug 05 2008

EXTENSIONS

More terms from Michael De Vlieger, Sep 26 2025

STATUS

approved