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A035113 Numbers != 2 (mod 4) listed in order of increasing totient function phi (A000010). 3
1, 3, 4, 5, 8, 12, 7, 9, 15, 16, 20, 24, 11, 13, 21, 28, 36, 17, 32, 40, 48, 60, 19, 27, 25, 33, 44, 23, 35, 39, 45, 52, 56, 72, 84, 29, 31, 51, 64, 68, 80, 96, 120, 37, 57, 63, 76, 108, 41, 55, 75, 88, 100, 132, 43, 49, 69, 92, 47, 65, 104, 105, 112, 140, 144 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

REFERENCES

L. C. Washington, Introduction to Cyclotomic Fields, Springer, p. 353.

LINKS

Table of n, a(n) for n=1..65.

EXAMPLE

phi(1)=1, phi(3)=2, phi(4)=2, phi(5)=4,...

CROSSREFS

Cf. A000010, A035114, A032447.

Sequence in context: A050846 A035538 A039881 * A106263 A089642 A327182

Adjacent sequences:  A035110 A035111 A035112 * A035114 A035115 A035116

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

EXTENSIONS

More terms from James A. Sellers

a(43) onward corrected by Sean A. Irvine, Sep 26 2020

STATUS

approved

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Last modified October 19 20:16 EDT 2021. Contains 348091 sequences. (Running on oeis4.)