38263752

Appears in sequences

• a(n) = 8*3^n.at n=14A005051
• Triangle of coefficients in expansion of (1+9x)^n.at n=43A013616
• a(n) = number of (s(0), s(1), ..., s(n)) such that every s(i) is an integer, s(0) = 0, |s(i) - s(i-1)| = 1 for i = 1,2,3; |s(i) - s(i-1)| <= 1 for i >= 4. Also a(n) = sum of numbers in row n+1 of the array T defined in A026082 and a(n) = 24*3^(n-4) for n >= 4.at n=17A026097
• Triangle whose (i,j)-th entry is binomial(i,j)*9^(i-j)*1^j.at n=37A038291
• a(1) = 6; for n > 0, a(n+1) = a(n) * (sum of digits of a(n)).at n=6A047898
• a(n) = (n-1)*n^(n-2).at n=8A053506
• a(n) = n*9^(n-1).at n=7A053540
• First differences of 9^n (A001019).at n=8A055275
• Essentially A053506 but with leading 0 (instead of 1) and offset 0.at n=8A055861
• Triangle read by rows: T(n, k) is the number of labeled trees on n nodes with maximal node degree k (0 < k < n).at n=37A061356
• First differences of A003946.at n=16A080923
• a(n) = (8*3^n - 5*0^n)/3.at n=15A083583
• Triangle, read by rows, of coefficients for the second iteration of the hyperbinomial transform.at n=47A089460
• Number of meaningful differential operations of the n-th order on the space R^8.at n=28A090993
• Expansion of g.f. ((1+x)/(1-3*x))^2.at n=13A113071
• Number of palindromes of length n (in base 9).at n=14A117861
• Number of palindromes of length n (in base 9).at n=15A117861
• Coefficient of q^n in (1-q)^3/(1-3q); dimensions of the enveloping algebra of the derived free Lie algebra on 3 letters.at n=17A118264
• Triangle A061356 read right to left.at n=43A139526
• Number of zig-zag paths from top to bottom of a rectangle of width 5 with n rows whose color is that of the top right corner.at n=30A153339