A138073 Triangle read by rows: row n lists the digits of A135699(n), the palindromic number with odd number of digits formed from the reflected decimal expansion of golden ratio phi.

1, 1, 6, 1, 1, 6, 1, 6, 1, 1, 6, 1, 8, 1, 6, 1, 1, 6, 1, 8, 0, 8, 1, 6, 1, 1, 6, 1, 8, 0, 3, 0, 8, 1, 6, 1, 1, 6, 1, 8, 0, 3, 3, 3, 0, 8, 1, 6, 1, 1, 6, 1, 8, 0, 3, 3, 9, 3, 3, 0, 8, 1, 6, 1, 1, 6, 1, 8, 0, 3, 3, 9, 8, 9, 3, 3, 0, 8, 1, 6, 1

Offset: 1

Author

Omar E. Pol, Mar 03 2008

Keywords

• easy
• nonn
• tabf
• base

Comments

Also, successive digits of the terms of A135699.

Examples

			Triangle begins:
.............. 1
........... 1, 6, 1
........ 1, 6, 1, 6, 1
..... 1, 6, 1, 8, 1, 6, 1
.. 1, 6, 1, 8, 0, 8, 1, 6, 1
		

Links

• G. C. Greubel, Table of n, a(n) for the first 50 rows

Crossrefs

Decimal expansion of phi: A001622. Cf. A135699, A135700, A138072.

Programs

Mathematica

nn=10;With[{phi=RealDigits[GoldenRatio,10,nn+1][[1]]},Flatten[ Table[ Join[Take[phi,n],Take[phi,{n+1}],Reverse[Take[phi,n]]],{n,0,nn}]]] (* Harvey P. Dale, May 08 2012 *)