OFFSET
1,1
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..10000
FORMULA
EXAMPLE
13 is not in the list because it can be written as 3^2+2^2.
MATHEMATICA
Select[2 * Range[0, 100] + 1, SquaresR[2, #] == 0 &] (* Amiram Eldar, Mar 12 2020 *)
PROG
(PARI) isA022544(n)={ local(cnt=0, y2) ; for(x=0, floor(sqrt(n)), y2=n-x^2 ; if( y2>=x^2 && issquare(y2), return(0) ; ) ; ) ; return(1) ; } isA124981(n)={ return( (n%2) && isA022544(n)) ; } { for(n=1, 200, if( isA124981(n), print1(n, ", ") ; ) ; ) ; } \\ R. J. Mathar, Nov 29 2006
CROSSREFS
KEYWORD
nonn
AUTHOR
Artur Jasinski, Nov 15 2006
EXTENSIONS
Corrected and extended by R. J. Mathar, Nov 29 2006
STATUS
approved