113566

Appears in sequences

• Number of n-celled diagonally symmetric polyominoes without holes.at n=23A056881
• Number of true entries in truth tables of bracketed formulas connected by modified implication (case 1).at n=9A218184
• Triangle T(n, k) read by rows: row n gives the coefficients of the numerator polynomials of the o.g.f. of the (n+1)-th diagonal of the Sheffer triangle A286718 (|S1hat[3,1]| generalized Stirling 1), for n >= 0.at n=17A290595