24504

Appears in sequences

• Number of elementary sequences of length n.at n=9A005268
• a(n) = b(n) + d(n), where b(n) = (n-th Lucas number) and d(n) = (n-th non-Fibonacci number).at n=20A023484
• First element r of (-1)sigma sociable triple (r,s,t): s=(-1)sigma(r), t=(-1)sigma(s), r=(-1)sigma(t), where if x=Product p(i)^r(i), then (-1)sigma(x)=Product(-1+(Sum p(i)^s(i), s(i)=1 to r(i))).at n=22A049057
• Second element s of (-1)sigma sociable triple (r,s,t): s=(-1)sigma(r), t=(-1)sigma(s), r=(-1)sigma(t), where if x=Product p(i)^r(i), then (-1)sigma(x)=Product(-1+(Sum p(i)^s(i), s(i)=1 to r(i))).at n=5A049058
• Positive integers i for which A112049(i) == 8.at n=29A112068
• Number of (w,x,y,z) with all terms in {1,...,n} and |w-x|>=|x-y|+|y-z|.at n=18A212574
• Sequence is an irregular triangle read by rows with zeros removed where T(n,k) is the number of compositions of n whose standard factorization into Lyndon words has k distinct factors.at n=55A299072
• Number of integer partitions of n whose multiset multiplicity kernel is a submultiset.at n=49A367684