7340032

Appears in sequences

• a(n) = 7*4^n.at n=10A002042
• a(n) = 7*2^n.at n=20A005009
• Triangle of coefficients in expansion of (1+8x)^n.at n=42A013615
• a(n+1)=2a(n)-4a(n-1)+4a(n-2).at n=29A035302
• Triangle whose (i,j)-th entry is binomial(i,j)*4^(i-j)*8^j.at n=34A038238
• Triangle whose (i,j)-th entry is binomial(i,j)*8^(i-j)*1^j.at n=38A038279
• Triangle whose (i,j)-th entry is binomial(i,j)*8^(i-j)*4^j.at n=29A038282
• a(n) = (3*n-1) * 2^(n-2).at n=18A053220
• Triangle of numbers related to rooted trees and unrooted planar trees.at n=34A056856
• a(n) is the smallest number such that a(n)+1 is a prime and the largest power of 2 which divides it is 2^n.at n=20A057777
• Numbers k such that k = 2*phi(k) + phi(phi(k)).at n=39A063920
• Composites of form prime-1 containing a record number of prime factors.at n=16A066632
• Triangle with columns built from certain power sequences.at n=48A067402
• Fourth column of triangle A067402.at n=6A067404
• Determinant of the Cayley addition table of Z_{n}.at n=7A070896
• Triangular array T(n,k) read by rows, giving number of rooted trees on the vertex set {1..n+1} where k children of the root have a label smaller than the label of the root.at n=38A071207
• a(n) is the number of occurrences of 7's in the palindromic compositions of 2*n-1, or also, the number of occurrences of 8's in the palindromic compositions of 2*n.at n=18A079861
• a(n) = n^(n-2) * binomial(n,2).at n=8A081131
• 8th binomial transform of (0,0,1,0,0,0, ...).at n=8A081138
• An inverse Catalan transform of J(2n).at n=20A100335