40274

Appears in sequences

• Weighted count of partitions with distinct parts.at n=44A005895
• Schoenheim bound L_1(n,n-5,n-6).at n=25A036837
• Sum of first n 7-almost primes.at n=35A086059
• Partial sums of A100119. Sum of first n of the n-th centered n-gonal numbers.at n=23A130218
• Triangle T(n, k) = 2 + n! - k! - (n-k)!, read by rows.at n=40A156045
• a(n) = (binomial(n,5) - floor(n/5)) / 5.at n=26A215052
• Number of partitions of n containing m(4) as a part, where m denotes multiplicity.at n=46A240489
• Number of weakly unimodal compositions of n in which the greatest part occurs exactly six times.at n=54A320317
• Triangle read by rows: T(n, k) is the number of n X n symmetric Toeplitz matrices of rank k using all the integers 1, 2, ..., n.at n=35A364230
• a(n) is the number of n X n nonsingular symmetric Toeplitz matrices using all the integers 1, 2, ..., n.at n=7A364231
• Triangle read by rows: T(n, k) is the number of n X n symmetric Toeplitz matrices of rank k using all the integers 0, 1, 2, ..., n-1.at n=35A364790
• a(n) is the number of n X n nonsingular symmetric Toeplitz matrices using all the integers 0, 1, 2, ..., n-1.at n=7A364791