100929

Appears in sequences

• a(n) = C(n+6, 6) - n - 1.at n=17A062989
• Expansion of x^4*(2+x)/((1+x)*(1-x)^5).at n=33A082289
• Unchanging value maps: number of 2 X n binary arrays indicating the locations of corresponding elements unequal to no horizontal, diagonal or antidiagonal neighbor in a random 0..2 2 X n array.at n=12A219143