17459442000
domain: N
Appears in sequences
- Triangle read by rows, coefficients of the polynomials P(m, n) = Sum_{k=1..n} binomial(m*n, m*k)* P(m, n-k)*z with P(m, 0) = 1 and m = 4.at n=19A278074
- Ordered set partitions of the set {1, 2, ..., 4*n} with all block sizes divisible by 4, irregular triangle T(n, k) for n >= 0 and 0 <= k < A000041(n), read by rows.at n=17A327024
- Averages k of twin primes such that adding divisors of k to (k - 1, k + 1) produces record numbers of twin prime pairs.at n=18A330771