70794

Appears in sequences

• Base 8 digits are, in order, the first n terms of the periodic sequence with initial period 2,1,2.at n=5A037573
• Numbers k such that 2*10^k + R_k + 2 is prime, where R_k = 11...1 is the repunit (A002275) of length k.at n=20A102948
• a(n)=3*a(n-1)+12*a(n-2) for n>=3, a(0)=1, a(1)=3, a(2)=18 .at n=7A133594
• a(n) = 196*n^2 + 2*n.at n=18A158222
• a(n) = 1444*n^2 + 38.at n=7A158766
• a(n) = 49*n^2 + n.at n=37A173141
• Values of the difference d for 6 primes in geometric-arithmetic progression with the minimal sequence {7*7^j + j*d}, j = 0 to 5.at n=30A209205
• Number of 2 X n arrays of the minimum value of corresponding elements and their horizontal, diagonal or antidiagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..3 2 X n array.at n=24A220045
• G.f. = (x/6)*( 1/(1-12*x)^(3/2) - 1/(1-12*x) ).at n=6A323277
• G.f. A(x) satisfies A(x) = 1 + (x * (1+x))^3 * A(x)^2.at n=19A378153