A084260 Triangular numbers that set a new record for number of triangular divisors.

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, 70233049766880, 108825865948800

Offset: 1

Author

Jason Earls, Jun 21 2003

Keywords

• nonn

Comments

2*a(n) is oblong numbers that set a new record for number of oblong divisors. - Ray Chandler, Jun 29 2008

Corresponding record values for number of divisors are in A141283.

Links

• Amiram Eldar, Table of n, a(n) for n = 1..33

Crossrefs

Cf. A000217, A076982, A076983, A141283.

Extensions

Extended by Ray Chandler, Jun 21 2008

a(28)-a(29) from Amiram Eldar, Jun 23 2023