OFFSET
1,3
COMMENTS
Related to the sum 5A=A+A+A+A+A of sequences as defined in the reference by Halberstam and Roth.
REFERENCES
Halberstam, H. and Roth, K.F., Sequences, Springer-Verlag, N.Y., 1983.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
John W. Layman, Nov 10 2003
EXTENSIONS
a(0) removed from definition by Georg Fischer, Jun 19 2021
STATUS
approved