39374

Appears in sequences

• Sum of 10 positive 9th powers.at n=21A003399
• Number of amicable pairs where smaller term of the pair is less than 10^n.at n=13A066873
• Number of (n+2) X (3+2) 0..3 arrays with every consecutive three elements in every row and diagonal having exactly two distinct values, and in every column and antidiagonal not having exactly two distinct values, and new values 0 upwards introduced in row major order.at n=20A252714
• Number of permutations that are sortable with two stacks in series.at n=8A263929
• Numbers k such that both k and k + 3 are consecutive deficient numbers.at n=8A317049
• Convert the primorial base expansion of n into its prime product form, then subtract the largest primorial which divides that product: a(n) = A276151(A276086(n)).at n=58A328476