48231

Appears in sequences

• Composite numbers with four prime factors (not necessarily distinct) whose concatenation yields a palindrome.at n=20A046453
• Numerators of convergents to A058914.at n=26A048817
• When expressed in base 4 and then interpreted in base 6, is a multiple of the original number.at n=21A062921
• Number of (7+1) X (n+1) 0..1 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction.at n=24A250661
• a(n) = a(n-1) + n*(n+1)*a(n-2) with a(0)=1, a(1)=1.at n=7A346943
• Numbers k such that A073734(k) is neither squarefree nor a prime power.at n=19A365899