45453

Appears in sequences

• n times n+1 gives the concatenation of two numbers m and m+2.at n=5A116301
• Numbers k such that the k-th triangular number contains only digits {0,1,3}.at n=12A119036
• Positive integers n that are palindromic in base 2 and whose binary representation has the same number of 0's as 1's.at n=30A143905
• Numbers k for which 6k+1, 24k+5, 432k^2+72k-1, and 432k^2+90k-1 are all prime.at n=39A175513
• Number of n X n 0..2 arrays with diagonals and rows unimodal and antidiagonals nondecreasing.at n=3A224304
• Number of nX4 0..2 arrays with diagonals and rows unimodal and antidiagonals nondecreasing.at n=3A224306
• T(n,k)=Number of nXk 0..2 arrays with diagonals and rows unimodal and antidiagonals nondecreasing.at n=24A224310
• Number of 4Xn 0..2 arrays with diagonals and rows unimodal and antidiagonals nondecreasing.at n=3A224312