25530
domain: N
Appears in sequences
- a(1)=1, a(n)=a(n-1)+n^2 if n odd, a(n)=a(n-1)+ n^3 if n is even.at n=19A140149
- The smallest magic constant of an n X n magic square with distinct prime entries.at n=17A164843
- Number of odd parts in the partitions of n into 8 parts.at n=44A309628
- Squarefree numbers k such that the sum of the distinct prime factors of k is twice the difference between the largest and the smallest prime factors of k.at n=27A324210
- Expansion of Sum_{n>=1} x^(n*(n+1)/2)*((1+x)/(1-x))^n.at n=24A369425
- Composite squarefree integers for which the sum of the squares of their factors is a square.at n=15A379780
- Consecutive states of the linear congruential pseudo-random number generator 172*s mod 30307 when started at s=1.at n=6A385032