131044

Appears in sequences

• a(n) = (10*n + 2)^2.at n=36A017294
• a(n) = (11*n + 10)^2.at n=32A017510
• a(n) = (12*n + 2)^2.at n=30A017546
• Smallest extension of n-th prime which is a square.at n=31A030671
• Smallest nontrivial extension of n-th palindrome which is a square.at n=21A030676
• Smallest nontrivial extension of n-th palindromic prime which is a square.at n=6A030681
• Numbers k such that k and floor[k/3] are both squares; i.e., squares which remain squares when written in base 3 and last digit is removed.at n=6A055793
• Largest square <= 2^n.at n=16A065732
• Number of triangulations of the cyclic polytope C(n, n-4).at n=26A066342
• a(n) = (n+2)*2^(n-1) - 2*n.at n=14A066368
• Main diagonal of A082043: a(n) = n^4 + 2*n^2 + 1.at n=19A082044
• G.f.: -(1-3*x^2-x^3)/(1+4*x-4*x^3-x^4).at n=9A097948
• Squares whose decimal expansion contains no digit greater than 4.at n=35A158082
• Squares which are a decimal concatenation of triprimes.at n=23A225151
• Sin(arcsin(n) - 4 arccos(n))^2.at n=2A239610
• Conjectured largest perfect power k such that k+n is also a perfect power, or 0 if no such k exists.at n=27A253237
• Perfect squares k such that each decimal digit of k is equal to the difference of at least two other digits of k.at n=4A255893
• Number of (n+2) X (7+2) 0..1 arrays with no 3 X 3 subblock diagonal sum less than the antidiagonal sum or central row sum less than the central column sum.at n=13A258893
• Expansion of Product_{k>=1} (1+x^k)^k / (1-x^k).at n=19A262667
• T(n,k)=Number of (n+1)X(k+1) arrays of permutations of 0..(n+1)*(k+1)-1 with each element having index change +-(.,.) 0,0 0,1 or 1,2.at n=36A264341