75139

Appears in sequences

• a(n) = 2*a(n-1) + 35*a(n-2), a(0) = 0, a(1) = 1.at n=7A080920
• Structured octagonal anti-prism numbers.at n=28A100184
• Zsigmondy numbers for a = 7, b = 5: Zs(n, 7, 5) is the greatest divisor of 7^n - 5^n that is relatively prime to 7^m - 5^m for all positive integers m < n.at n=13A109349
• Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 01010-11111 pattern in any orientation.at n=11A147066