33650

Appears in sequences

• a(n) = T(n,n-3), where T is the array in A026374.at n=38A026382
• a(n) = T(n,n-3), where T is the array in A026386.at n=38A026394
• Inverse Moebius transform of 5-simplex numbers A000389.at n=18A101289
• Number of (w,x,y,z) with all terms in {1,...,n} and w+x=|x-y|+|y-z|.at n=40A212676
• a(n) = n^4/8 + (5*n^3)/12 - n^2/8 - (5*n)/12 + 1.at n=23A226639
• Numbers n such that n^9+9 and n^9-9 are prime.at n=29A239505
• a(n) = binomial(n + 4, n - 1) + 1.at n=19A323228
• a(n) is the number of integers that can be represented in a 7-segment display by using only n segments (version A010371).at n=22A350438