88137

Appears in sequences

• a(n) = smallest k such that k! ends in 2^n, not counting the trailing zeros.at n=26A058885
• a(n) = a(n-1) + 2*a(n-2) - 2*a(n-3) + a(n-5).at n=24A116157
• Triangle read by rows: numerators of coefficients of the Hirzebruch L-polynomials L_n expressing the signature of a 4n-dimensional manifold in terms of its Pontrjagin numbers (as in Hirzebruch Signature Theorem).at n=34A237111