A048433 Smallest numerator of fraction using palindromes that approximates 'phi' to at least n digits after the decimal point.

5, 212, 212, 555, 78287, 936639, 4347434, 261565162, 557191755, 22113131122, 35779797753, 2583864683852, 5269108019625, 186632555236681, 671032363230176, 25566825552866552, 63506697679660536, 1599153538353519951, 1599153538353519951

Offset

1,1

Links

Table of n, a(n) for n=1..19.

Example

n=4: 555/343 = 1.6180... correct to four digits after the decimal point.

Crossrefs

Denominators in A048434.

Cf. A001622 (phi).

Sequence in context: A165208 A293652 A330428 * A270870 A144796 A269823

Adjacent sequences: A048430 A048431 A048432 * A048434 A048435 A048436

Keyword

nonn,frac,base,more

Author

Patrick De Geest, Apr 15 1999

Extensions

a(1) corrected and a(14)-a(19) from Sean A. Irvine, Jun 17 2021

Status

approved