749254

Appears in sequences

• Position of rightmost 0 in 2^n increases.at n=19A031140
• Position of rightmost 0 (including leading 0) in 2^n increases.at n=30A031142
• After the 51-digit 2^168, a(n) is the number setting a record for non-pandigital right segment length of 2^a(n).at n=11A217608