22459

Appears in sequences

• a(n) is the smallest integer k such that the n-th (forward) difference of the partition sequence A000041 is positive from k onwards.at n=35A119712
• Floor(1/{(7+n^4)^(1/4)}), where {}=fractional part.at n=33A184631
• The least number s having exactly n threes in the continued fraction of sqrt(s).at n=17A206583
• Number of partitions of n such that the number of parts having multiplicity 1 is not a part and the number of distinct parts is not a part.at n=46A241445
• Number of length n+3 0..4 arrays with some disjoint pairs in every consecutive four terms having the same sum.at n=8A247529
• a(n) = 2*A090495(n) - 1.at n=42A274297
• 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, b(1) = 4, and (a(n)) and (b(n)) are increasing complementary sequences.at n=14A296251
• Squarefree k > 1 with sigma(sigma(sigma(k))) < 3*k + 1.at n=27A320513
• Number of separable partitions of n in which the number of distinct (repeatable) parts is > 2.at n=38A325717
• Numbers k such that k![4] - 32 is prime, where k![4] = A007662(k) = quadruple factorial.at n=28A329167
• Number of integer partitions of n with all equal lengths of maximal runs of consecutive parts decreasing by 1 but not by 0.at n=50A384904