72747675
domain: N
Appears in sequences
- Highly composite odd numbers: odd numbers where d(n) increases to a record.at n=30A053624
- Denominators of coefficients of expansion of arctan(x)^2 = x^2-2/3*x^4+23/45*x^6-44/105*x^8+563/1575*x^10-3254/10395*x^12+ ...at n=10A071968
- Oddly superabundant numbers: odd n with sigma(n)/n > sigma(k)/k for all odd k < n.at n=26A119239
- Terms in A038547 where prime signature differs from that of corresponding term in A005179.at n=20A122814
- Smallest odd number with same number of divisors as 3*a(n-1).at n=20A140864
- Triangle of the denominators of the coefficients [x^k] P(n,x) defined in A141904.at n=56A142048
- Numbers with exactly 7 distinct odd prime divisors {3,5,7,11,13,17,19}.at n=7A147580
- Denominators of Integral_{x=0..Pi/2} sin(2*n*x)*log(cosec(x)) dx.at n=20A225123
- Numbers that are not practical (A237287) and have more divisors than any smaller number that is not practical.at n=29A335029
- Resistance values R < 1 ohm, multiplied by a common denominator 232792560 (= A338600(7)), that can be obtained from a network of exactly 7 one-ohm resistors, but not from any network with fewer than 7 one-ohm resistors.at n=8A338607
- Positions of records in A188169.at n=26A343134
- Positions of records in A188170.at n=25A343135
- Positions of records in A188171.at n=24A343136
- Positions of records in A188172.at n=24A343137