OFFSET
1,3
LINKS
Chai Wah Wu, Table of n, a(n) for n = 1..22
Patrick De Geest, Palindromic Squares
G. J. Simmons, On palindromic squares of non-palindromic numbers, J. Rec. Math., 5 (No. 1, 1972), 11-19. [Annotated scanned copy]
PROG
(Python)
from itertools import count, islice
def A029983_gen(): # generator of terms
return filter(lambda k: (s:=bin(k)[2:])[:(t:=(len(s)+1)//2)]==s[:-t-1:-1], (k**2 for k in count(0)))
CROSSREFS
KEYWORD
nonn,base
AUTHOR
STATUS
approved