387005

Appears in sequences

• a(n) = 2nd elementary symmetric function of the first n+1 odd positive integers.at n=28A024196
• Number of permutations of length n which avoid the patterns 1234, 1324, 3421.at n=18A116829
• Number of binary strings of length n with no substrings equal to 0000 0010 or 1101.at n=25A164424
• Number of nX3 0..4 arrays with every row and column nondecreasing rightwards and downwards, and the number of instances of each value within one of each other.at n=19A200985