-2574

Appears in sequences

• a(n) = (-4*n^3 + 27*n^2 - 20*n + 3)/3.at n=15A161711
• Expansion of x/(1-6*x+25*x^2).at n=6A188599
• 1-gonal pyramidal numbers.at n=25A254749
• Convolution of partition polynomials of A133437 related to solutions of the Burgers-Hopf equation.at n=23A276850
• Sequence used for the Boas-Buck type recurrence for Riordan triangle A319203.at n=12A319204