24078

Appears in sequences

• Super-4 Numbers (4 * n^4 contains substring '4444' in its decimal expansion).at n=21A032744
• McKay-Thompson series of class 39B for Monster.at n=51A058660
• Triangle T(n,k) (n >= 2, 1 <= k <= n-1) read by rows, where T(n,k) is the number of words of length n in the free group on three generators that require exactly k multiplications for their formation.at n=42A076262
• n+p(n)+p(p(n)) is a palindrome, where p(n) denotes the n-th prime.at n=38A116037
• The number of permutations of length n sortable by 2 reversals.at n=20A228396
• Least positive integer m with prime(m)+2 and prime(prime(m))+2 both prime such that prime(m*n)+2 and prime(prime(m*n))+2 are both prime.at n=23A259487
• Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-1) + 2, where a(0) = 1, a(1) = 2, b(0) = 3, and (a(n)) and (b(n)) are increasing complementary sequences.at n=17A294543
• Number of partitions of n in which the number of prime parts is not equal to the number of nonprime parts.at n=38A355306