OFFSET
1,1
COMMENTS
Possibly 17, 64 should be the next terms. Every square in the sequence is the square of sum of first k digits of concatenations of previous two terms except the last digit. For example: concatenation of 16 and 17 is 1617 and (1 + 6 + 1)^2 = 64. - Metin Sariyar, May 03 2020
CROSSREFS
KEYWORD
nonn,unkn,more
AUTHOR
Madhav Narayanan (madhav.narayanan(AT)iiitb.ac.in), Apr 15 2004
STATUS
approved