68890
domain: N
Appears in sequences
- Numbers k such that k + sum_of_digits(k) is a cube.at n=38A084661
- Number of ways associated with A088959.at n=32A088111
- a(n) = 3^(n+1) + (3^n-1)/2.at n=9A237930
- Number of n X n binary arrays with rows lexicographically nondecreasing and columns lexicographically nondecreasing and row sums nondecreasing and column sums nonincreasing.at n=6A266929
- Number of nX7 binary arrays with rows lexicographically nondecreasing and columns lexicographically nondecreasing and row sums nondecreasing and column sums nonincreasing.at n=6A266934
- Number of 7Xn binary arrays with rows lexicographically nondecreasing and columns lexicographically nondecreasing and row sums nondecreasing and column sums nonincreasing.at n=6A266940
- Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-1) + b(n-2) + n + 1, where a(0) = 1, a(1) = 2, b(0) = 3, and (a(n)) and (b(n)) are increasing complementary sequences.at n=18A294556
- a(n) = n+1 for n <= 2; otherwise a(n) = 3*a(n-3)+1.at n=29A329774