A098669 Numbers of rows ending with ones in triangle A098666.

1, 6, 10, 12, 20, 26, 30, 34, 38, 46, 52, 58, 60, 66, 68, 74, 78, 82, 86, 92, 102, 105, 106, 114, 116, 122, 130, 134, 136, 142, 146, 148, 156, 164, 165, 166, 172, 178, 186, 190, 194, 202, 206, 212, 218, 222, 226, 228, 230, 238, 244, 246, 252, 262, 264, 273, 274

Offset: 1

Author

Reinhard Zumkeller, Sep 20 2004

Keywords

• nonn

Comments

A098668(a(n)) = 1;

a(22)=105 is the smallest odd term, 105=3*5*7.