24681

Appears in sequences

• Number of conjugacy classes in the symmetric group S_n with distinct cardinality.at n=45A073906
• a(n) = numerator(N) where N = 0.246...(2n) is the concatenation of the first n even numbers after the decimal point.at n=4A078261
• a(n) = A007290(n+2) - 1 = 2*C(n+2,3) - 1.at n=41A108766
• Numbers n such that Maple 9.5, Maple 10, Maple 11 and Maple 12 give the wrong answers for the number of partitions of n.at n=35A110375
• Pascal-(1,9,1) array.at n=48A143685
• Pascal-(1,9,1) array.at n=51A143685
• Number of 0..n arrays of length 5 with each element differing from at least one neighbor by 1 or less.at n=21A221597
• Numbers k such that (Sum of totatives of k) == 1 (mod Sum of primes dividing k with multiplicity).at n=47A340299