A363101 - OEIS

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A363101

Even numbers that are neither prime powers nor squarefree.

2

12, 18, 20, 24, 28, 36, 40, 44, 48, 50, 52, 54, 56, 60, 68, 72, 76, 80, 84, 88, 90, 92, 96, 98, 100, 104, 108, 112, 116, 120, 124, 126, 132, 136, 140, 144, 148, 150, 152, 156, 160, 162, 164, 168, 172, 176, 180, 184, 188, 192, 196, 198, 200, 204, 208, 212, 216, 220, 224, 228, 232, 234, 236, 240, 242

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

OFFSET

1,1

COMMENTS

Even numbers k such that A001222(k) > A001221(k) > 1.

LINKS

Michael De Vlieger, Table of n, a(n) for n = 1..10000

MATHEMATICA

Select[Range[2, 242, 2], Nor[PrimePowerQ[#], SquareFreeQ[#]] &]

CROSSREFS

Cf. A001221, A001222, A005418, A024619, A126706, A360769.

Intersection of A013929 and A177712.

Sequence in context: A123711 A200511 A370409 * A369516 A317711 A359890

Adjacent sequences: A363098 A363099 A363100 * A363102 A363103 A363104

KEYWORD

nonn

AUTHOR

Michael De Vlieger, May 19 2023

STATUS

approved