45351

Appears in sequences

• Propp's cubic recurrence: a(0)=a(1)=a(2)=a(3)=1; for n>3, a(n)=(1+a(n-1)*a(n-2)*a(n-3))/a(n-4).at n=9A051786
• Numbers k such that sigma(k-3) + sigma(k+3) = sigma(2*k).at n=32A067129
• Duplicate of A051786.at n=9A072714
• Number of nX2 1..5 arrays containing at least one of each value, all equal values connected, rows considered as a single number in nondecreasing order, and columns considered as a single number in nonincreasing order.at n=7A166827
• g_n(16) where g is the weak Goodstein function defined in A266202.at n=26A271992
• Numbers k such that k![4] - 16 is prime, where k![4] = A007662(k) = quadruple factorial.at n=39A329166