-157
domain: Z
Appears in sequences
- Expansion of e.g.f. cos(tan(x)/cosh(x)), even terms only.at n=3A009082
- Numerator of [x^(2n+1)] of the Taylor expansion sin(cosec(x) - cosech(x)) = x/3 - x^3/162 + 211*x^5/51030 -157*x^7/688905 + 439801*x^9/9821029680 - ...at n=3A013530
- a(n) = n^2 - primefloor(n)*primeceiling(n).at n=78A056139
- Numbers k such that 36*k^2 + 12*k + 7 is prime (sorted by absolute values with negatives before positives).at n=47A056910
- McKay-Thompson series of class 28C for Monster.at n=29A058608
- a(n) = mu(n)*prime(n).at n=36A062007
- a(n)= Sum_{j=0..floor(n/2)} A073145(2*j + q), where q = 2*(n/2 - floor(n/2)).at n=16A074585
- Abundance values of numbers whose abundance is (+-1) times a prime.at n=35A088006
- Matrix inverse of triangle A091613.at n=66A091614
- Column 1 of triangle A091614.at n=11A091623
- Expansion of (1-x^2)/(1-2x+2x^3+x^4).at n=10A101497
- Expansion of -x*(-1+5*x+8*x^2-11*x^3+3*x^4)/(1-6*x-4*x^2+24*x^3-6*x^4-4*x^5+x^6).at n=8A107476
- Row sums of number triangle A112334.at n=53A112335
- Matrix inverse of triangle A117334.at n=17A117335
- Column 2 of triangle A117335.at n=5A117337
- Expansion of (1+x^2)/(1-x^4+x^5).at n=39A124746
- Expansion of (1+x^2+x^4)/(1-x^6+x^7).at n=57A124751
- Coefficients of numerators of rational functions whose binomial transforms give the normalized polylogarithms Li(-n,t)/n!.at n=12A131758
- Numerators of Blandin-Diaz compositional Bernoulli numbers (B^Z^2)_1,n.at n=5A132098
- Expansion of chi(-q) / chi(-q^5) in powers of q where chi() is a Ramanujan theta function.at n=75A133563