18285

Appears in sequences

• a(n) = n*(n+1)*(n+8)/6.at n=45A006503
• Denominators of continued fraction convergents to sqrt(944).at n=15A042827
• Terms of A050530 with four prime divisors.at n=8A053340
• Row sums in A100781.at n=22A100784
• Numbers such that the digital sums in bases 2, 3, 5 and 7 all are equal.at n=23A135127
• a(n) = (2*n - 1)*(24*n^2 - 42*n + 19).at n=7A160174
• Row sums of triangle defined in A113821.at n=32A160969
• Multiples of 23 whose digit reversal + 1 is also a multiple of 23.at n=30A166393
• The function W_n(6) (see Borwein et al. reference for definition).at n=14A169711
• Number of nondecreasing arrangements of 8 numbers x(i) in -(n+6)..(n+6) with the sum of sign(x(i))*2^|x(i)| zero.at n=9A187992
• Number of partitions of n such that m(1) = m(3), where m = multiplicity.at n=48A240058
• Number of n-node unlabeled rooted trees with thickening limbs and root outdegree (branching factor) 7.at n=51A245147
• Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 454", based on the 5-celled von Neumann neighborhood.at n=14A282307
• Expansion of Product_{k>=1} (1 - x^(7*k))^44/(1 - x^k)^45 in powers of x.at n=3A282929
• Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of e.g.f. exp(k*x)*(sec(x) + tan(x)).at n=61A292975
• Expansion of e.g.f. exp(4*x)*(sec(x) + tan(x)).at n=6A307879
• Indices (starting at 0) of integers in the increasing sequence S of nonnegative numbers that are representable in base 3/2 with digits {0, H=1/2, 1}.at n=44A320035
• Triangle read by rows: T(n,k) is the number of oriented colorings of the facets of a regular n-dimensional orthotope using exactly k colors. Row n has 2n columns.at n=34A325008
• Number of integer partitions of 2n such that 2*(minimum) = (mean).at n=32A363132