375121

Properties

Appears in sequences

• Numbers n such that in n^3 the parity of digits alternates.at n=41A030159
• The (1,1)-term of the 3 X 3 matrix M^n, where M = [1,2,3 / 4,7,11 / 6,10,16].at n=4A095898
• Invariant number of polygons of n-circum-C_5 H_5 systems.at n=12A122678
• Define a pair of sequences c_n, d_n by c_0=0, d_0=1 and thereafter c_n = c_{n-1}+d_{n-1}, d_n = c_{n-1}+4*n+2; sequence here is d_n.at n=23A192750
• Hypotenuses of primitive Pythagorean triples in A195559 and A195560.at n=8A195561
• Denominators of the continued fraction convergents to sqrt(13)/2 = A295330.at n=10A295332
• Prime numbersat n=31918