130340

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 38.at n=18A031716
• Sum of two powers of 19.at n=11A073214
• Given n colors, sequence gives number of ways to color the vertices of a square such that no edge has the same color on both of its vertices.at n=19A091940
• Numbers n such that the n-th prime - n is a cube.at n=14A105645
• A convolution triangle of numbers obtained from A034904.at n=11A132057
• a(n) = 361*n^2 + 19.at n=19A158592
• a(0)=0, a(1)=1, a(2n)=19*a(n), a(2n+1)=a(2n)+1.at n=18A197353
• Coefficients in q-expansion of (E_2*E_4 - E_6)/720, where E_2, E_4, E_6 are the Eisenstein series shown in A006352, A004009, A013973, respectively.at n=19A281372
• a(n) is the number whose base-(n+1) expansion equals the binary expansion of n.at n=17A356274