74529

Appears in sequences

• Number of set-like atomic species of degree n.at n=50A007650
• a(n) = (7*n)^2.at n=39A016982
• a(n) = (10*n + 3)^2.at n=27A017306
• a(n) = (11*n + 9)^2.at n=24A017498
• a(n) = (12*n + 9)^2.at n=22A017630
• Palindromic squares in base 16.at n=7A029734
• Squares which are palindromes in base 4.at n=9A029987
• Squares in which parity of digits alternates.at n=34A030152
• Odd squares in which parity of digits alternates.at n=22A030156
• Let r and s be consecutive Fibonacci numbers. Sequence is r^4, r^3 s, r^2 s^2, and r s^3.at n=22A031923
• Squares with initial digit '7'.at n=16A045791
• a(n) = n^4 - 2*n^3 + 3*n^2 - 2*n + 1, the Alexander polynomial for reef and granny knots.at n=17A058031
• Denominator of 1/49 - 1/n^2.at n=32A061048
• Smallest square k > 0 such that n*k + 1 is also a square or 0 if no such term exists, i.e., when n is a square.at n=30A069018
• Smallest square k > 1 such that n*k + 1 is also a square or 0 if no such term exists, i.e., when n is a square.at n=30A069019
• Squares which are the arithmetic mean of two consecutive primes.at n=34A069495
• a(1)=a(2)=1, a(n)=a(n-1)+a(n-2) if n is odd, a(n)=a(n-1)+a(n/2) if n is even.at n=31A078912
• G.f.: (x+4*x^3+x^5)/((1-x)^2*(1-x^2)^2*(1-x^3)).at n=42A083707
• a(n) = (n+1)^2 * (n+2)^2 * (2*n+3) / 12.at n=12A108674
• Squares for which the sum of the digits are cubes.at n=25A117685