59170

Appears in sequences

• Number of partitions of n into parts not of the form 21k, 21k+8 or 21k-8. Also number of partitions with at most 7 parts of size 1 and differences between parts at distance 9 are greater than 1.at n=44A035986
• Squarefree kernel of (n*prime(n))*(n+prime(n)).at n=24A066197
• Numbers equal to a permutation (or rearrangement) of the digits of the sum of their proper divisors (excluding the proper divisor 1). Rearrangements which cause leading zeros are excluded.at n=23A086248
• Decagonal numbers divisible by 10.at n=25A117797
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 1), (-1, 1, 0), (1, 0, -1), (1, 0, 0), (1, 1, 1)}.at n=8A150787
• a(n) = Sum_{p|n, p prime} p^phi(n/p).at n=32A369687
• Expansion of Sum_{p prime} x^p/(1 - p*x^p).at n=32A373458