86901

Appears in sequences

• 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=23A237111
• Number of set partitions of [n] such that nine is a multiple of each block size.at n=12A275427