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A084260 Triangular numbers that set a new record for number of triangular divisors. +0
4
1, 3, 6, 36, 105, 120, 210, 630, 5460, 25200, 73920, 97020, 157080, 1185030, 2031120, 2162160, 17907120, 76576500, 236215980, 7534947420, 12249176940, 78091322400, 203522319000, 666365279580, 2427046221600, 3638780505360, 12112252031880 (list; graph; listen)
OFFSET

1,2

COMMENT

2*a(n) is oblong numbers that set a new record for number of oblong divisors. - Chandler

Corresponding record values for number of divisors are in A141283.

CROSSREFS

Cf. A076982, A076983.

Adjacent sequences: A084257 A084258 A084259 this_sequence A084261 A084262 A084263

Sequence in context: A119198 A119196 A119184 this_sequence A076983 A068084 A003674

KEYWORD

nonn

AUTHOR

Jason Earls (zevi_35711(AT)yahoo.com), Jun 21 2003

EXTENSIONS

Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Jun 21 2008

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.


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