304920

Appears in sequences

• The convergent sequence C_n for the ternary continued fraction (3,1;2,2) of period 2.at n=16A000964
• Expansion of 1/((1-x)(1-4x)(1-6x)(1-9x)).at n=5A021824
• Denominators of poly-Bernoulli numbers B_n^(k) with k=3.at n=11A027646
• a(n) = n*lcm{1,2,...,n}.at n=10A081528
• Numerator of the harmonic mean of the first n positive integers.at n=10A102928
• A certain partition array in Abramowitz-Stegun order (A-St order), called M_3(6).at n=35A134278
• Numbers with prime factorization pqr^2s^2t^3.at n=12A190386
• Record (maximal) gaps between prime 5-tuples (p, p+4, p+6, p+10, p+12).at n=8A201062
• Triangle, read by rows, where T(n,k) = k!*C(n, k)*11^(n-k) for n>=0, k=0..n.at n=33A218018
• Once a number in this sequence is divisible by all numbers 1 to m, subsequent terms are constrained to have the same property; choose the smallest permissible number that is greater than the previous term.at n=37A242298
• Row sums of A285118: a(n) = Sum_{k=1..(n-1)} (C(n-1,k-1) bitwise-and C(n-1,k)), a(0) = a(1) = 0.at n=20A285115
• Resistance values R < 1 ohm, multiplied by a common denominator 360360 (= A338600(6)), that can be obtained from a network of exactly 6 one-ohm resistors, but not from any network with fewer than 6 one-ohm resistors.at n=19A338606
• Expansion of e.g.f. (1/x) * Series_Reversion( x/(x + exp(x^3)) ).at n=7A370876