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A216455 If n is a perfect fourth power, then replace it with the fourth root of n. 0
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 2, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 3, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..99.

PROG

(PARI) a(n)=ispower(n, 4, &n); n \\ Charles R Greathouse IV, Sep 01 2015

CROSSREFS

Cf. A097448, A097449.

Sequence in context: A053165 A056962 A043275 * A291580 A291581 A058035

Adjacent sequences:  A216452 A216453 A216454 * A216456 A216457 A216458

KEYWORD

nonn,easy

AUTHOR

V. Raman, Sep 07 2012

STATUS

approved

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Last modified November 12 14:43 EST 2019. Contains 329058 sequences. (Running on oeis4.)