50288

Appears in sequences

• Pi pseudo-golombization. Size of the chunks of Pi's decimal digits (including the first "3") is given by the digits themselves.at n=8A106156
• Numbers divisible by 7 in the decimal expansion of Pi, contiguous and smallest.at n=7A164526
• Numbers of the form prime(n)*(prime(n)-1)/4.at n=41A171555
• Number of partitions of n containing the number of distinct parts as a part.at n=47A239945
• p-INVERT of (1,2,3,5,8,...) (distinct Fibonacci numbers), where p(S) = (1 - S)^2.at n=9A292399
• G.f.: 1/(1-x)^3 * Product_{k>=1} (1 + x^k).at n=28A325951
• a(n) = Sum_{k=0..n} binomial(n+k-1,k) * binomial(n+3*k-1,n-k).at n=6A378567