127449

Appears in sequences

• a(n) = (9*n + 6)^2.at n=39A017234
• a(n) = (11*n + 5)^2.at n=32A017450
• a(n) = (12*n + 9)^2.at n=29A017630
• a(n+1) is the smallest square > a(n) such that every concatenation (n > 1) is a prime.at n=9A087352
• Squares sandwiched between two numbers divisible by squares.at n=24A088068
• a(n) = A054413(n-1)^2, n >= 1.at n=4A099367
• a(n) = (2*n-1)*(2*n+1)^2.at n=24A102094
• Squares which are the sum of two or more consecutive squares.at n=15A151557
• Six-digit squares that are concatenation of two 3-digit primes.at n=2A153050
• Numbers that are the squares of the product of three distinct primes.at n=37A162143
• Denominator of 1/(n-2)^2 - 1/(n+2)^2.at n=17A171638
• Ulam numbers that are perfect squares.at n=40A173545
• Squares n^2 that become prime after omitting all ones in their decimal expansion.at n=7A175983
• Squares which are the sum of consecutive squares starting with 25^2.at n=3A180259
• a(n) = A061037(n)^2.at n=17A181763
• Number of (n+2)X(n+2) binary arrays avoiding patterns 000 and 010 in rows and columns.at n=2A202398
• Number of (n+2)X5 binary arrays avoiding patterns 000 and 010 in rows and columns.at n=2A202401
• T(n,k)=Number of (n+2)X(k+2) binary arrays avoiding patterns 000 and 010 in rows and columns.at n=12A202406
• Number of nX4 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 0 1 0 vertically.at n=6A207422
• Number of 7Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 0 1 0 vertically.at n=3A207431