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A095921 Intersection of A002182 (highly composite numbers) and A003418 (LCMs of first n positive integers). 2
1, 2, 6, 12, 60, 840, 2520, 27720, 720720, 80313433200 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Also the intersection of A003418 and A007416.

REFERENCES

M. E. Grost, The smallest number with a given number of divisors. Amer. Math. Monthly 75 (1968), 725-729.

J. Roberts, Lure Of The Integers. Math. Assoc. Of America, 1992, p. 86.

LINKS

Table of n, a(n) for n=1..10.

S. Ramanujan, Highly composite numbers, Proceedings of the London Mathematical Society, 2, XIV, 1915, 347 - 409.

CROSSREFS

Cf. A055492.

Sequence in context: A168262 A085819 A069047 * A106037 A136240 A090747

Adjacent sequences:  A095918 A095919 A095920 * A095922 A095923 A095924

KEYWORD

fini,full,nonn

AUTHOR

Matthew Vandermast, Jul 11 2004

STATUS

approved

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Last modified December 20 18:46 EST 2014. Contains 252288 sequences.