114921

Appears in sequences

• a(n) = (9*n + 6)^2.at n=37A017234
• a(n) = (10*n + 9)^2.at n=33A017378
• a(n) = (11*n + 9)^2.at n=30A017498
• a(n) = (12*n + 3)^2.at n=28A017558
• Smallest square containing n-th prime as substring.at n=34A029945
• Odd refactorable numbers.at n=36A036896
• Squares in which the k-th significant digit either divides k or is a multiple of k.at n=26A069560
• Odd squares not in A113659.at n=9A103962
• Squares of the form semiprime(n) + prime(n).at n=35A111440
• RF(3): refactorable numbers with smallest prime factor 3.at n=34A120319
• Ulam numbers that are perfect squares.at n=38A173545
• Number of n X 4 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 0 1 and 1 1 0 vertically.at n=16A207399
• Number of n X 3 nonnegative integer arrays with upper left 0 and lower right its king-move distance away minus 2 and every value increasing by 0 or 1 with every step right, diagonally se or down.at n=27A252978
• Squares whose arithmetic mean of digits is 3 (i.e., the sum of digits is 3 times the number of digits).at n=6A316483
• Odd numbers k such that A064989(sigma(k)) >= k.at n=38A337344