19903

Appears in sequences

• "BHJ" (reversible, identity, labeled) transform of 0,1,1,1...at n=8A032075
• Decimal part of cube root of a(n) starts with 1: first term of runs.at n=25A034127
• Triangle T(n,k) giving number of loopless matroids of rank k on n labeled points (n >= 0, 0 <= k <= n).at n=42A058710
• Triangle T(n,k) giving the number of loopless matroids of rank k on n labeled points (n >= 1, 1 <= k <= n).at n=33A058711
• The array in A059219 read by antidiagonals in 'up' direction.at n=48A059220
• The array in A059219 read by antidiagonals in the direction in which it was constructed.at n=48A059235
• Starting positions of strings of three 7's in the decimal expansion of Pi.at n=19A083631
• Logarithmic derivative of A005169, the number of fountains of n coins.at n=17A227620
• Sum of the areas of all r X s rectangles such that r + s = 2n, with r, s composite.at n=36A334229
• Expansion of e.g.f. exp(-x * (1 - x)^2) / (1 - x)^3.at n=6A375427