23228

Appears in sequences

• Pierce expansion for Euler's constant.at n=9A006284
• Sort then Add, a(1)=17.at n=12A033899
• Fibocyclotomic numbers: numbers formed from cyclotomic polynomials and Fibonacci numbers (A000045).at n=39A051258
• Cyclotomic polynomials Phi_n at x=phi divided by sqrt(5) and floored down (where phi = tau = (sqrt(5)+1)/2).at n=39A063704
• G.f. L(x,y) satisfies: L(x,y) = x * (1 + y*x*L'(x,y)) / (1 + x*L'(x,y)) where L'(x,y) = d/dx L(x,y), as a triangle read by rows.at n=25A301305
• Numbers k such that sigma(k) = sigma(k+19), where sigma(k) is the sum of the divisors of k.at n=14A321533
• Table read by antidiagonals: T(m,n) = number of 3-metered (m,n)-parking functions.at n=59A372819