81395

Appears in sequences

• a(n) = s(1)s(n) + s(2)s(n-1) + ... + s(k)s(n-k+1), where k = [ n/2 ] and s = (Fibonacci numbers).at n=19A025078
• a(n) = s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = (Fibonacci numbers), t = (F(2), F(3), F(4), ...).at n=18A025082
• Numbers whose base-5 representation has exactly 8 runs.at n=12A043608
• The five digits of a(n) and their four successive absolute first differences are all distinct.at n=61A365257
• Number of integer partitions of n with non-biquanimous multiplicities.at n=47A371840