18929

Appears in sequences

• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 76 ones.at n=28A031844
• Numbers k such that k^4 = x^3 + y^2 has an integer solution.at n=40A096741
• a(n) = 676*n + 1.at n=27A158386
• a(n) = 28*n^2 + 1.at n=26A158556
• Row sums of A181512.at n=7A181513
• Number of (w,x,y) with all terms in {0,...,n} and |w-x| + |x-y| + |y-w| < w+x+y.at n=29A213488
• (A122536(n)-A003000(n))/2.at n=23A218874
• a(n) = 24*n^2 + 52*n + 29.at n=27A258721
• Left-hand half of triangle A297193.at n=40A297194
• G.f.: Sum_{k>=0} x^(k^4) / Product_{j=1..k^4} (1 - x^j).at n=53A339235
• T(j,k) are the numerators s in the representation R = s/t + (2/Pi)*u/v of the resistance between two nodes separated by the distance vector (j,k) in an infinite square lattice of one-ohm resistors, where T(j,k), j >= 0, 0 <= k <= j, is a triangle read by rows.at n=49A355565
• G.f. satisfies A(x) = 1 + x*A(x) + x^6*A(x)^6.at n=16A364523