169744

Appears in sequences

• a(n) = (11*n + 5)^2.at n=37A017450
• a(n) = (12*n + 4)^2.at n=34A017570
• Smallest nontrivial extension of n-th square which is a square not ending 00.at n=12A030688
• a(1) = 1; a(n+1) is next smallest nontrivial square beginning with a(n).at n=3A048557
• a(1) = 9, a(n) = smallest square beginning with the digit reversal of a(n-1). a(n) > a(n-1) and a(n) is not == 0 (mod 10).at n=2A087590
• Binomial transform of the tribonacci sequence A000073 (shifted left twice).at n=12A117189
• a(0)=1=a(1), a(2)=2, a(3)=5; thereafter a(n+3)=4*a(n+2)-4*a(n+1)+2*a(n) for n>=1.at n=13A159035
• Squares s such that A331733(s) = sigma(A225546(n)) is congruent to 2 modulo 4.at n=46A331741
• Squares whose base-3 expansion has no 0.at n=20A363428
• Number of integer compositions of n whose leaders of anti-runs are weakly decreasing.at n=19A374682