24342

Appears in sequences

• Number of partitions of floor(5n/2) into n nonnegative integers each no more than 5.at n=44A001975
• a(n) = 3*a(n-1) + a(n-2) - a(n-3) for n >= 3, a(0)=1, a(1)=2, a(2)=7.at n=9A030186
• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 52.at n=5A031730
• Number of matchings in graph P_{9} X P_{n}.at n=2A033512
• Palindromic even numbers with an odd number of distinct prime factors.at n=29A075809
• Palindromic even numbers with exactly 3 prime factors (counted with multiplicity).at n=34A075816
• a(n) = concatenate(n, A010888(2*n), reverse(n)), where A010888 = digital root.at n=23A082944
• Palindromic admirable numbers.at n=11A109759
• Palindromic primes in base 5 (written in base 5).at n=14A117700
• Numbers which converge to 2592 under repeated application of the powertrain map of A133500.at n=27A135384
• a(n) = 36*n^2 + 6.at n=25A158479
• Numbers k such that A(k+1) = A(k) + 1, where A() = A005101() are the abundant numbers.at n=26A169822
• Triangle T(m,n), read by rows: Number of bipartite labeled graphs (V,E) with vertices A={a_1,...,a_m} and B={b_1,...,b_n} where for any vertex in V at most one edge in E is allowed. Additionally, an edge {a_k,b_l} is allowed only when |k-l|<=1.at n=44A187152
• Number of strictly increasing arrangements of 5 numbers in -(n+3)..(n+3) with sum zero.at n=20A188183
• Numbers k such that Sum_{j=1..k} j^j == -1 (mod k).at n=12A188775
• Number of n X 5 0..1 arrays with every row and column running average nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.at n=43A201501
• Number of multisets of exactly three partitions of positive integers into distinct parts with total sum of parts equal to n.at n=25A320788
• Number of strict integer partitions with sum <= n that can be linearly combined using nonnegative coefficients to obtain n.at n=48A365311
• a(2*n) = A030186(n), a(2*n+1) = A033505(n).at n=18A365967
• Expansion of e.g.f. 1 / (1 + 2 * log(1 - x))^(3/2).at n=5A375945