55125
domain: N
Appears in sequences
- a(n) = A059366(n,n-3) = A059366(n,3) for n >= 3, where the triangle A059366 arises from the expansion of a trigonometric integral.at n=4A001756
- Expansion of an integral: central elements of rows of triangle in A059366.at n=7A001757
- Number of spanning trees in W_5 X P_n.at n=1A003739
- Unitary harmonic numbers (those for which the unitary harmonic mean is an integer).at n=20A006086
- Number of n-node rooted identity trees of height at most 5.at n=24A038084
- Triangle T(m,s), m >= 0, 0 <= s <= m, arising in the computation of certain integrals.at n=31A059366
- Triangle T(m,s), m >= 0, 0 <= s <= m, arising in the computation of certain integrals.at n=32A059366
- Smallest number m such that m and the product of digits of m are both divisible by 5n, or 0 if no such number exists.at n=24A073911
- Smallest 7-smooth number beginning with n.at n=54A085908
- Ratio A095110(n)/A000079(n-2) rounded to nearest integer.at n=16A095362
- 7-smooth numbers containing only noncomposite digits (1,2,3,5,7).at n=44A113623
- A certain partition array in Abramowitz-Stegun order (A-St order).at n=32A134144
- Numbers with exactly 3 distinct odd prime divisors {3,5,7}.at n=29A147576
- Numbers of the form p^3*q^2*r^2 where p, q, and r are distinct primes.at n=23A179695
- Numbers k such that the sum of prime factors of k (counted with multiplicity) equals five times the largest prime divisor of k.at n=24A212863
- Number of unimodal compositions of n where the maximal part appears three times.at n=39A226541
- Zero together with the partial sums of A064412.at n=26A275112
- Factorial base exp-function: digits in factorial base representation of n become the exponents of successive prime factors whose product a(n) is.at n=70A276076
- Odd bisection of A283983; square root of the largest square dividing A277324.at n=38A283484
- Odd bisection of A283983; square root of the largest square dividing A277324.at n=43A283484