A064227 From Recamán's sequence (A005132): record values in A057167.

0, 1, 4, 131, 99734, 181653, 328002, 325374625245, 394178473633984

Offset

1,3

Comments

Let R(n) = n-th term of Recamán's sequence (A005132); consider values of R(n) that take a record number of steps to appear (A064228); sequence gives corresponding values of n.

Links

Table of n, a(n) for n=1..9.

N. J. A. Sloane, My favorite integer sequences, in Sequences and their Applications (Proceedings of SETA '98).

N. J. A. Sloane, FORTRAN program for A005132, A057167, A064227, A064228

Index entries for sequences related to Recamán's sequence

Crossrefs

Cf. A005132, A057167, A064228.

Sequence in context: A201977 A291172 A194536 * A353794 A204079 A252172

Adjacent sequences: A064224 A064225 A064226 * A064228 A064229 A064230

Keyword

nonn,nice,hard,more

Author

N. J. A. Sloane, Sep 22 2001

Extensions

a(8) and a(9) from Allan Wilks, Nov 06, 2001

a(10) > 10^25. - Benjamin Chaffin, Jun 13 2006

a(10) > 4.28*10^73. - Benjamin Chaffin, Mar 22 2010

a(10) > 10^230. - Benjamin Chaffin, 2018

Initial term 0 added by N. J. A. Sloane, Feb 26 2023

Status

approved