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A064228 From Recamán's sequence (A005132): values of n achieving records in A057167. 10

%I

%S 1,2,4,19,61,879,1355,2406

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

%C 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.

%H N. J. A. Sloane, <a href="http://neilsloane.com/doc/sg.txt">My favorite integer sequences</a>, in Sequences and their Applications (Proceedings of SETA '98).

%H N. J. A. Sloane, <a href="/A005132/a005132.txt">FORTRAN program for A005132, A057167, A064227, A064228</a>

%H <a href="/index/Rea#Recaman">Index entries for sequences related to Recamán's sequence</a>

%Y Cf. A005132, A057167, A064227.

%K nonn,nice,hard

%O 1,2

%A _N. J. A. Sloane_, Sep 22 2001

%E a(7) and a(8) from _Allan Wilks_, Nov 06 2001. After 10^15 terms of A005132, the smallest missing number was 852655.

%E After 10^25 terms of A005132 the smallest missing number is still 852655. - _Benjamin Chaffin_, Jun 13 2006

%E Even after 4.28*10^73 terms, the smallest missing number is still 852655. - _Benjamin Chaffin_, Mar 22 2010

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Last modified January 22 16:36 EST 2018. Contains 298055 sequences.