46672

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 27.at n=7A031705
• Base-9 palindromes that start with 7.at n=29A043034
• a(n) = A055450(n, n-5).at n=9A055455
• a(n) = 64*n^2 + 16.at n=26A157912
• a(n) = 729*n^2 + 2*n.at n=7A158396
• Number of 6Xn integer arrays with each element equal to the number of horizontal and antidiagonal neighbors not equal to itself.at n=17A265996
• Numbers n such that phi(n) = phi(n+11), with Euler's totient function phi = A000010.at n=32A276504
• Triangle A106534 with reversed rows.at n=59A280470
• G.f. A(x) satisfies: 1 = Sum_{n>=0} x^n / (1-x)^( n*(n+1) ) / A(x)^( (n+1)*(n+2)/2 ).at n=12A296231
• The number of regions inside a 2 by 1 ellipse formed by the straight line segments mutually connecting all points formed by dividing the ellipse into 2n equal angle sectors from its origin.at n=16A341688
• G.f. A(x) satisfies: 1 = Sum_{n=-oo..+oo} (-x)^((n+1)^2) * ((1+x)^n - A(x))^n.at n=7A355154
• a(n) is the number of terms in row n of the array A378303.at n=26A378307