22134

Appears in sequences

• Three-fold convolution of primes with themselves.at n=10A014343
• Multiplicity of highest weight (or singular) vectors associated with character chi_65 of Monster module.at n=39A034453
• 5x - 1 sequence starting at 19 (a(n+1) = a(n)/2 if a(n) is even, or 5*a(n)-1 if a(n) is odd).at n=23A037238
• Numbers having four 3's in base 9.at n=11A043468
• Sum of divisors of numbers containing in their decimal representation only the digits 0 and 1.at n=19A077810
• Squarefree positive integers of the form u*v*(u^2-v^2) for some integer u,v.at n=20A147779
• a(n)= n * reversal(n-1) * reversal(n+1).at n=13A160936
• Number of reduced words of length n in the Weyl group E_7 on 7 generators and order 2903040.at n=15A162493
• Numbers whose sum of triangular divisors is also a divisor and greater than 1.at n=28A209311
• Number of compositions of n with exactly 4 transitions between different parts.at n=11A244716
• Anagraprod Integers. Integers N that reproduce their multiset of digits when all the products of two successive digits of N are done (and considered together).at n=59A296451
• G.f. A(x) satisfies: A(x) = 1 / (1 - 2*x) + x * (1 - 2*x)^5 * A(x)^7.at n=5A349590
• Integral area of primitive integer-sided triangles whose sides a < b < c are in arithmetic progression.at n=44A351178
• Upper (1/2,1/3) midsequence of (n^2) and (n^3); see Comments.at n=40A389583