19389

Appears in sequences

• a(n) = round(n*phi^14), where phi is the golden ratio, A001622.at n=23A004949
• a(n) = ceiling(n*phi^14), where phi is the golden ratio, A001622.at n=23A004969
• Sum of next n odd interprimes.at n=12A075674
• Coefficients of the eigenfunction of a sequence transformation.at n=7A088674
• Numbers of the form 68+p^2 (where p is a prime).at n=33A138691
• Number of permutations of 1..n with the number moved left exceeding the number moved right by 3 or more.at n=8A179569
• Number of permutations of 1..n+6 with the number moved left exceeding the number moved right by n or more.at n=2A179581
• G.f. A(x) satisfies: 3*A(x) - 2*(1+x) = Series_Reversion( x/(2*A(x) - (1+x)) )/x.at n=6A249933
• Composite numbers k such that k*phi(k) is in A002378.at n=17A256545
• Expansion of Product_{k>=1} (1 + x^k)^(3*k*(k-1)/2+1).at n=11A295180
• MM-numbers of capturing, non-nesting multiset partitions (with empty parts allowed).at n=38A326260
• On a spirally numbered square grid, with labels starting at 1, this is the number of the last cell that an (n,n+1) leaper reaches before getting trapped, or -1 if it never gets trapped.at n=32A343179
• Array read by ascending antidiagonals: T(n, k) = P(n, k) where P(n, x) are the scaled Mandelbrot-Larsen polynomials defined in A347928.at n=28A348686
• Truncated centered square numbers: a(n) = 14*n^2 - 22*n + 9.at n=37A389928