55121

Appears in sequences

• a(n) = 25 + floor( Sum_{j=1..n-1} a(j)/2 ).at n=19A120148
• Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 0010-1110-0111-0100 pattern in any orientation.at n=13A146908
• Decimal numbers m such that the product of the binary string of m and the binary string of m in reverse contains the binary string of m as a substring.at n=50A342130