47628
domain: N
Appears in sequences
- Smallest composite which when sum of prime factors is repeatedly subtracted reaches a prime after n iterations.at n=39A053093
- Digital sum of n = sum of palindromes from the smallest prime factor of n to the largest prime factor of n.at n=16A074310
- Triangle of number of partitions that fit in an n X n box (but not in an (n-1) X (n-1) box) with Durfee square k.at n=49A116647
- Triangle T(n,k), 1<=k<=n, read by rows defined by :T(n,k)=C(n,k)*C(n-1,k-1)+C(n,k-1)*C(n-1,k)where C(n,k)=A007318(n,k) .at n=50A128821
- Dimensions of certain Lie algebra (see reference for precise definition).at n=5A133317
- A modified Heron sequence starting from 1,3.at n=9A134589
- Numbers with prime factorization p^2*q^2*r^5 where p, q, and r are distinct primes.at n=5A190114
- Triangular array: the fusion of (x+1)^n and (x+2)^n; see Comments for the definition of fusion.at n=51A193722
- Mirror of the fusion triangle A193722.at n=48A193723
- Numbers k such that k*product_of_digits(k) is a nonzero cube.at n=10A229544
- Number of length 3+2 0..n arrays with the sum of the maximum minus the minimum of adjacent triples multiplied by some arrangement of +-1 equal to zero.at n=12A252179
- Numbers k such that 3k - 1 divides 3^k - 1.at n=24A273614
- Theta series of the 12-dimensional lattice of hyper-roots D_3(SU(3)).at n=10A288488
- Triangle read by rows: T(n,k), n>=2, 1 <= k <= n-1, is the number of permutations in S_n in which there are k different values for the values mod n of the differences between adjacent elements when written in row notation.at n=34A294789
- Numbers such that the list of exponents of their factorization is a palindromic list of primes.at n=10A322525
- Numbers of multiplicative persistence 6 which are themselves the product of digits of a number.at n=1A350185
- Expansion of e.g.f. 1/(1 - (x * (exp(x) - 1))^2 / 4).at n=9A353883
- Conductor of the elliptic curve y^2 = x^3 + n.at n=20A356730
- Triangle read by rows: row n gives the h-vector of the n-th halohedron.at n=60A367505