100065

Appears in sequences

• Bruckman-Lucas pseudoprimes: k | (L_k - 1), where k is composite and L_k = Lucas numbers A000032.at n=25A005845
• Number of n X 2 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,3,0,1,2 for x=0,1,2,3,4.at n=12A197229
• Number of nX3 0..2 arrays with every row and column running average nondecreasing rightwards and downwards.at n=7A200529
• T(n,k)=Number of nXk 0..2 arrays with every row and column running average nondecreasing rightwards and downwards.at n=47A200534
• Triangle read by rows, a(n,k), n>=k>=1, which represent the s=3, h=1 case of a two-parameter generalization of Stirling numbers arising in conjunction with normal ordering.at n=40A203412
• Numbers <= 10^6 with valid Luhn mod 10 check digit, sorted lexicographically.at n=7A249854