174941

Appears in sequences

• Absolute difference of numerator and denominator of Bernoulli(2*n), n >= 0.at n=10A162173
• Numerator of the n-th term in the first differences of the binomial transform of the "original" Bernoulli numbers.at n=20A165161
• Numerator of 1 - A164555(n)/A027642(n).at n=20A165226
• Number T(n,k) of set partitions of [n] having exactly k pairs (m,m+1) such that m+1 is in some block b and m is in block b+1; triangle T(n,k), n>=0, 0<=k<=n-floor((1+sqrt(max(0,8n-7)))/2), read by rows.at n=36A270953
• Number of set partitions of [n] having no pairs (m,m+1) such that m+1 is in some block b and m is in block b+1.at n=11A270954