A076983 - OEIS

This site is supported by donations to The OEIS Foundation.

A076983

Smallest triangular number divisible by exactly n triangular numbers.

1, 3, 6, 36, 105, 120, 780, 210, 990, 630, 19110, 7140, 5460, 176715, 25200, 73920, 103740, 145530, 97020, 157080, 4744740, 2386020, 1185030, 2031120, 3483480, 13857480, 8817900, 118572300, 88438350, 39209940, 286071240, 2162160 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	COMMENTS	`2*a(n) = smallest oblong number with exactly n oblong divisors. - Chandler`
	LINKS	`Ray Chandler, Table of n, a(n) for n=1..80`
	EXAMPLE	`a(5) = 105 has 5 divisors which are triangular numbers (1, 3, 15, 21 and 105).`
	CROSSREFS	`Cf. A076982, A084260.` `Sequence in context: A119196 A119184 A084260 * A068084 A003674 A120595` `Adjacent sequences: A076980 A076981 A076982 * A076984 A076985 A076986`
	KEYWORD	`nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Oct 25 2002`
	EXTENSIONS	`More terms from Lior Manor (lior.manor(AT)gmail.com) Nov 06 2002`

Content is available under The OEIS End-User License Agreement .

Last modified February 16 18:43 EST 2012. Contains 205939 sequences.