OFFSET
0,3
REFERENCES
S. M. Kerawala, On a Pair of Arithmetic Functions Analogous to Chawla's Pair, J. Natural Sciences and Mathematics, 9 (1969), circa p. 103.
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
LINKS
T. D. Noe, Table of n, a(n) for n = 0..500
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
Better description and more terms from Vladeta Jovovic, May 09 2003
STATUS
approved