A020998 Numbers n such that the sum of the digits of Lucas(n) in base 12 is n.

1, 7, 165, 227, 278, 322, 323, 385, 414, 433, 439, 634, 860, 964, 1045, 1268

Offset: 1

Author

Sven Simon

Keywords

• nonn
• base

Links

• David Terr, On the Sums of Digits of Fibonacci Numbers, Fibonacci Quarterly 34, Aug. 1996, pp. 349-355.

Crossrefs

Cf. A020996.

Programs

PARI

isok(n) = vecsum(digits(fibonacci(n+1)+fibonacci(n-1), 12)) == n; \\ Michel Marcus, Feb 18 2015