23153

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has period 53.at n=34A020392
• a(n) = position of n^3 + (n+1)^3 + (n+2)^3 in A024975.at n=41A024980
• Denominators of continued fraction convergents to sqrt(805).at n=9A042553
• a(n) is the number of different degrees in the sequence of the degrees of the irreducible representations of the symmetric group S_n, i.e., count each degree only once.at n=41A060437
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 0, 1), (-1, 1, 0), (0, 0, -1), (1, 0, 1)}.at n=9A149239
• Positive numbers y such that y^2 is of the form x^2+(x+137)^2 with integer x.at n=10A157213
• Number of (n+1)X(5+1) 0..1 arrays with every 2X2 subblock sum nondecreasing horizontally, vertically and antidiagonally ne-to-sw.at n=3A253323
• T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with every 2X2 subblock sum nondecreasing horizontally, vertically and antidiagonally ne-to-sw.at n=31A253326
• Number of (4+1)X(n+1) 0..1 arrays with every 2X2 subblock sum nondecreasing horizontally, vertically and antidiagonally ne-to-sw.at n=4A253329
• Numbers x such that x = concatenate(a, b) and phi(a) + phi(b) = sigma(x) - x.at n=10A254624
• Numbers that are the sum of fourth powers of three distinct positive integers in arithmetic progression.at n=23A306214