A127860 a(n) = A127858(n)^2.

36, 4356, 617796, 88849476, 12792967236, 1842170994756, 265272427798596, 38199227257643076, 5500688696956346436, 792099172023982809156, 114062280767400751587396, 16424968430457074953412676

Offset: 1

Author

Walter Kehowski, Feb 04 2007

Keywords

• nonn
• base

Comments

In base 12 the sequence is 30, 2630, 259630, 25909630, 2590409630, 259037409630, 259036X7409630, 259036X1X7409630, 259036X151X7409630, 259036X14851X7409630, where X is 10 and E is 11.

Examples

			a(1) = A127858(1)^2 = 6^2 = 36.
		

Crossrefs

Cf. A117755, A127856, A127857, A127858, A127859, A127861, A192544.

Formula

a(n) = (5*(12^n - 1)/11 + 1)^2 = A127861(n) - (12^(2*n) - 1)/11.. - Max Alekseyev, Jul 27 2023

Extensions

Edited by Max Alekseyev, Jul 27 2023