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A064227
From Recamán's sequence (A005132): record values in A057167.
12
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.
CROSSREFS
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