1972809

Appears in sequences

• Numbers that are the sum of 3 positive 9th powers.at n=23A003392
• Add 1, multiply by 1, add 2, multiply by 2, etc.; start with 0.at n=18A019461
• a(n) = n*(n + a(n-1)) with a(0)=0.at n=9A030297
• a(n) = 1^n + 3^n + 5^n.at n=9A074507
• Triangle read by rows: T(i,j) = (T(i-1,j) + i)*i.at n=36A121682
• Recurrence a(n) = a(n-2) + n^M for M=9, starting with a(0)=0, a(1)=1.at n=5A231308
• Numbers n such that n-1 is a divisor of 3^n + 5^n.at n=31A234535
• Sum of the 9th powers of the odd proper divisors of n.at n=14A352037