56763

Appears in sequences

• Numerators of partial sums of a series for sqrt(5)/3.at n=7A124397
• Central terms of triangle A132427.at n=8A132428
• Number of idempotent 3X3 -n..n matrices of rank 1.at n=18A221312
• Numbers m such that m^2 = p^2 + k^2, with p > 0, where p = A007954(m) = the product of digits of m.at n=26A334542
• Positive integers whose binary form follows the periodic pattern 1101110: the concatenation of halftones 2 2 1 2 2 2 1, diminished by one, between successive pitches in the Ionian Major Scale.at n=15A371902
• Expansion of 1/((1-5*x) * sqrt(1+4*x)).at n=7A390137