1216215

Appears in sequences

• Sum of all parts of all partitions of n.at n=39A066186
• n and n+9 are 9-almost primes.at n=9A124946
• Numbers with exactly 5 distinct odd prime divisors {3,5,7,11,13}.at n=21A147578
• A partition product of Stirling_2 type [parameter k = 1] with biggest-part statistic (triangle read by rows).at n=44A157401
• Numerator of the mean of all parts of all partitions of n.at n=38A236360
• Denominators of coefficients in asymptotic expansion of S_n (number of simple permutations, A111111).at n=13A280781
• Odd numbers k such that A187795(k) > 2*k.at n=30A347936
• Denominators of coefficients c(n) in product expansion of 1 + tan x = Product_{k>=1} 1 + c(k)*x^k.at n=12A353584