160160

Appears in sequences

• A subdiagonal of number array A082137.at n=6A082145
• Denominator of the probability that (2n+1)-dimensional Gaussian random triangle has an obtuse angle.at n=7A102559
• a(n) = binomial(n+3,3)*binomial(n+6,3).at n=10A105939
• Numbers k not divisible by 6 such that sigma(k) > 3*k.at n=12A126104
• Numbers with prime factorization pqrst^5.at n=24A190383
• 7-quantum transitions in systems of N >= 7 spin 1/2 particles, in columns by combination indices.at n=18A213349
• 8-quantum transitions in systems of N >= 8 spin 1/2 particles, in columns by combination indices.at n=13A213350
• a(n) = denominator(Sum_{k=1..n} (2^(k-1) - 1)/k).at n=31A330719
• a(n) = denominator(Sum_{k=1..n} (2^(k-1) - 1)/k).at n=32A330719
• Denominators of higher order Bernoulli numbers.at n=43A332666
• 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=7A338606
• Numbers k such that A011772(k) > A344878(k) and A011772(k) is a divisor of A344875(k).at n=40A344595
• Numbers k, not powers of primes, for which A011772(k) divides A344875(k), and for all proper divisors d of k, A011772(d) < A011772(k).at n=19A344694
• Maximal determinant of an n X n symmetric Toeplitz matrix using the first n prime numbers.at n=5A350956
• Positions of records in A227872, i.e., integers whose number of odious divisors sets a new record.at n=26A355969