A039665 - OEIS

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A039665

Sets of 4 consecutive numbers with equal number of divisors.

7

242, 243, 244, 245, 3655, 3656, 3657, 3658, 4503, 4504, 4505, 4506, 5943, 5944, 5945, 5946, 6853, 6854, 6855, 6856, 7256, 7257, 7258, 7259, 8392, 8393, 8394, 8395, 9367, 9368, 9369, 9370, 10983, 10984, 10985, 10986, 11605, 11606, 11607, 11608

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OFFSET

1,1

COMMENTS

Taking the first entry in each set gives A006601.

REFERENCES

D. Wells, Curious and interesting numbers, Penguin Books, p. 134

LINKS

Table of n, a(n) for n=1..40.

CROSSREFS

Cf. A000005, A005237, A005238, A006601, A049051, A006558, A019273.

Sequence in context: A060110 A113468 A220089 * A259719 A023703 A184023

Adjacent sequences: A039662 A039663 A039664 * A039666 A039667 A039668

KEYWORD

nonn

AUTHOR

EXTENSIONS

More terms from Patrick De Geest, Nov 15 1999

STATUS

approved