89181

Appears in sequences

• Partial sum of centered tetrahedral numbers A005894.at n=26A132366
• The sum of the first n terms of the sequence is the concatenation of the first n digits of the sequence, and a(1) = 9.at n=4A299872
• Number of inequivalent height 1 degree n polynomials with nonzero constant term.at n=11A323845