87669

Appears in sequences

• Triangular matrix T, read by rows, that satisfies: SHIFT_LEFT(column 0 of T^p) = p*(column p+1 of T), or [T^p](m,0) = p*T(p+m,p+1) for all m>=1 and p>=-1.at n=37A104980
• Column 1 of triangle A104980; also equals column 0 of triangle A104986, which equals the matrix logarithm of A104980.at n=8A104981
• Matrix logarithm of triangle A104980.at n=36A104986
• Numbers k such that the k-th triangular number contains each of the 10 decimal digits exactly once.at n=28A115939
• Square array, read by antidiagonals, where row n+1 is generated from row n by first removing terms in row n at positions 0 and {(m+1)*(m+2)/2-2, m>0} and then taking partial sums, starting with all 1's in row 0.at n=37A156628
• Augmentation of the triangle A074909. See Comments.at n=35A193630
• Numbers k such that (4*10^k + 149)/9 is prime.at n=25A284638
• Triangle of number of connected graphs with n>=2 nodes and maximum degree 1<=k<n.at n=39A332760