148240

Appears in sequences

• Largest triangular number less than or equal to sum of previous terms with a(0)=1.at n=19A061883
• Number of 6 X n 0..1 arrays avoiding 0 0 0 and 1 1 1 horizontally and 0 0 1 and 1 0 1 vertically.at n=7A208382
• Number of (w,x,y,z) with all terms in {1,...,n} and |w-x| >= w + |y-z|.at n=33A212714
• Number of n X 3 binary arrays with rows and columns lexicographically nondecreasing and column sums nonincreasing.at n=20A266465
• Refactorable triangular numbers.at n=28A272524
• Triangular numbers that are repdigits with length > 2 in some base.at n=34A274084