213180

Appears in sequences

• First differences of (n+1)^5-n^5.at n=21A068236
• Eighth column (m=7) of (1,6)-Pascal triangle A096956.at n=13A097298
• a(1)=1; thereafter, a(n+1) = 20*n^3 + 10*n.at n=22A101098
• Triangle read by rows: T(n,k) is the number of set partitions of the set {1,2,...,n} containing k blocks of size 2 (0 <= k <= floor(n/2)).at n=37A124498
• Numbers n that raised to the powers from 1 to k (with k>=1) are multiple of the sum of their digits (n raised to k+1 must not be a multiple). Case k=11.at n=32A135196
• Numerator of Euler(n, 12/29).at n=4A157389
• Numbers k such that the sum of the distinct prime divisors of k equals three times the largest prime divisor of k.at n=18A200090