A064228 From Recamán's sequence (A005132): values of n achieving records in A057167.

0, 1, 2, 4, 19, 61, 879, 1355, 2406

Offset: 1

Author

N. J. A. Sloane, Sep 22 2001

Keywords

• nonn
• nice
• hard

Comments

If R(n) is the n-th term of Recamán's sequence (A005132), sequence gives values of R(n) that take a record number of steps to appear. A064227 gives corresponding values of n.

Links

• 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, A064227.

Extensions

a(8) and a(9) from Allan Wilks, Nov 06 2001. After 10^15 terms of A005132, the smallest missing number was 852655.

After 10^25 terms of A005132 the smallest missing number is still 852655. - Benjamin Chaffin, Jun 13 2006

Even after 4.28*10^73 terms, the smallest missing number is still 852655. - Benjamin Chaffin, Mar 22 2010

Even after 10^230 terms, the smallest missing number is still 852655. - Benjamin Chaffin, 2018

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