111068

Appears in sequences

• Number of happy numbers without zeros and with digits in nondecreasing order <= 10^n.at n=14A219667
• a(n) = a(n-1) + 3*a(n-2) -2*a(n-3) - 2*a(n-4), where a(0) = 1, a(1) = -2, a(2) = -2, a(3) = 1.at n=23A295736
• a(n) = a(n-1) + 3*a(n-2) -2*a(n-3) - 2*a(n-4), where a(0) = -2, a(1) = 0, a(2) = 1, a(3) = 1.at n=22A295859