282124

Appears in sequences

• Numbers that are the sum of 3 positive 7th powers.at n=38A003370
• a(n) = 1^n + 3^n + 6^n.at n=7A074508
• a(n) = Sum_{i=1..n} binomial(i+1,2)^7.at n=2A085442
• Array read by antidiagonals: T(n,k) = Sum_{i=1..n} binomial(1+i,2)^k.at n=58A334781