154449

Appears in sequences

• a(n) = (10*n + 3)^2.at n=39A017306
• a(n) = (11*n + 8)^2.at n=35A017486
• a(n) = (12*n + 9)^2.at n=32A017630
• Squares sandwiched between two numbers divisible by squares.at n=26A088068
• RF(3): refactorable numbers with smallest prime factor 3.at n=36A120319
• a(n) = (14*n+1)^2.at n=28A134934
• A positive integer is included if it is a square that contains the same number of 0's as 1's when represented in binary.at n=33A164343
• Squares of the central trinomial coefficients (A002426).at n=7A168597
• Squares n^2 that become prime after omitting all ones in their decimal expansion.at n=11A175983
• Numbers k such that tau(k+1) - tau(k) = 3, where tau(k) = the number of divisors of k (A000005).at n=24A230653
• Numbers whose sum of proper square divisors is a palindrome in base 10 having at least two digits.at n=16A232892
• Squares of the form P(n, 5) + n, where P(x,k) is the Pochhammer function and n = square (A000290).at n=2A272775
• Number of total dominating sets in the 2n-crossed prism graph.at n=4A302941
• Odd numbers k such that A064989(sigma(k)) >= k.at n=44A337344
• a(n) is the least perfect square average of two consecutive primes with 2*n gap between them, or -1 if no such number exists.at n=9A360751