177241

Appears in sequences

• Crystal ball sequence for D_4 lattice.at n=14A007204
• a(n) = (11*n + 3)^2.at n=38A017426
• a(n) = prime^2 and digits of prime appear in a(n).at n=7A030081
• Powers of a prime lucky number (A031157) but excluding lucky numbers (A000959).at n=29A057609
• a(n) = n^4 - 2*n^3 + 3*n^2 - 2*n + 1, the Alexander polynomial for reef and granny knots.at n=21A058031
• Perfect powers pp(n) with perfect power index n.at n=29A075433
• Squares of the form prime(k)*prime(k+1) + 2*prime(k+1).at n=21A108604
• a(n) = (14*n+1)^2.at n=30A134934
• Numbers k of the form q^2, q = prime, such that k-2 is a prime.at n=29A146981
• Smaller prime power associated with record gap in A167186.at n=22A167188
• Squares that becomes a prime number when prefixed with a 9.at n=27A167724
• a(1) = 1; a(n) is the smallest square > 2*a(n-1).at n=15A175627
• Number of quadruples (w,x,y,z) with all terms in {0,...,n} such that w-x, x-y, and y-z all have the same parity.at n=28A212893
• Nontrivial prime powers (A025475) which are a sum of a smaller nontrivial prime power and a perfect square.at n=26A226230
• Prime powers (A025475) such that the distance to the nearest square is a square.at n=12A239582
• Prime powers (A025475) such that the distance to the nearest square is a prime power.at n=11A239583
• Smallest square number > 10*a(n-1) with a(1) = 1.at n=5A242078
• Squares representable as k*m + k + m, where k >= m > 1 are squares.at n=26A256074
• Number of (n+2)X(n+2) 0..1 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum less than the central column sum.at n=11A258886
• Squares of primes congruent to 1 (mod 30).at n=37A330670