145161

Appears in sequences

• Numbers k that divide s(k), where s(1)=1, s(j)=19*s(j-1)+j.at n=41A014869
• a(n) = (11*n + 7)^2.at n=34A017474
• a(n) = (12*n + 9)^2.at n=31A017630
• a(n) = n^4 - 2*n^3 + 3*n^2 - 2*n + 1, the Alexander polynomial for reef and granny knots.at n=20A058031
• RF(3): refactorable numbers with smallest prime factor 3.at n=35A120319
• Squares s(n) such that cube(n)-square(n)-1 and cube(n)+square(n)+1 are primes.at n=15A155931
• Number of n X 4 arrays with every diagonal and antidiagonal of length L containing a permutation of 1..L.at n=11A179809
• The numbers n^2 as n runs through the numbers which are palindromes in base 2.at n=38A192775
• Squares representable as k*m + k + m, where k >= m > 1 are squares.at n=25A256074
• Squares that are the sum of the digits of the numbers from 0 to n, for some n.at n=39A271629
• Squares whose arithmetic mean of digits is 3 (i.e., the sum of digits is 3 times the number of digits).at n=12A316483