75780

Appears in sequences

• Values of m such that N = (am+1)(bm+1)(cm+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,57.at n=19A065697
• Sum of terms of n-th group in A075383.at n=35A075386
• Number of standard puzzles of shape 2 X n with support CK (see reference for precise definition).at n=10A196265
• Number of n X 2 0,1 arrays indicating 2 X 2 subblocks of some larger (n+1) X 3 binary array having determinant equal to one, with rows and columns of the latter in nondecreasing lexicographic order.at n=36A227637
• First elements of maximal isospectral chains of length 3.at n=10A335082