220704

Appears in sequences

• Number of binary strings of length n with no substrings equal to 0001 0011 or 0100.at n=19A164453
• Expansion of Sum_{k>=1} ((1 + k * x^k)^k - 1).at n=32A327238
• Primitive terms of A388022: numbers k that satisfy sigma(k) AND 3*k = 3*k, but none of whose proper divisors satisfy the same condition.at n=35A388025