A168647 Reverse (palindrome) of A164844.

1, 1, 1, 1, 11, 1, 1, 21, 111, 1, 1, 31, 321, 1111, 1, 1, 41, 631, 4321, 11111, 1, 1, 51, 51, 731, 54321, 111111, 1, 1, 61, 561, 251, 51731, 654321, 1111111, 1, 1, 71, 181, 5861, 53251, 171731, 7654321, 11111111, 1, 1, 81, 891, 6681, 2961, 604251, 8371731, 87654321, 111111111, 1

Offset: 0

Author

Mark Dols, Dec 01 2009

Keywords

• nonn
• tabl
• base

Examples

			1
1,1
1,11,1
1,21,111,1
1,31,321,1111,1
1,41,631,4321,11111,1
		

Crossrefs

Cf. A004086, A164844.

Formula

T(n,k) = A004086(A164844(n,k)).

Extensions

a(24) onward corrected by Georg Fischer, Apr 08 2022