68552

Appears in sequences

• a(n) = s(1)s(n) + s(2)s(n-1) + ... + s(k)s(n-k+1), where k = [ n/2 ], s = (1, p(1), p(2), ...).at n=41A025099
• Number of n-tuples of 0,1,2,3,4,5,6,7,8,9 without consecutive digits.at n=5A096261
• Number of nondecreasing arrangements of n+3 numbers in 0..7 with each number being the sum mod 8 of three others.at n=9A183902
• Number of nondecreasing sequences of n 1..7 integers with every element dividing the sequence sum.at n=41A212535
• Number of n X 2 binary arrays whose sum with another n X 2 binary array containing no more than a single 1 has rows and columns in lexicographically nondecreasing order.at n=24A225894
• Number of strings of length n over an 8-letter alphabet that begin with a nontrivial palindrome.at n=6A249641