35951

Properties

Appears in sequences

• a(n) = a(n-1) + 2*a(n-3) with a(0)=a(1)=1, a(2)=3.at n=20A003229
• Next prime after n^3.at n=33A014220
• Primes that remain prime through 3 iterations of function f(x) = 8x + 3.at n=10A023292
• Number of partitions of n with equal number of parts congruent to each of 0 and 4 (mod 5).at n=48A035555
• a(1) = 2; a(n) = smallest prime > a(n-1) such that the sum of any three nondecreasing terms, chosen from a(1), ..., a(n-1) and a(n), is unique.at n=22A060276
• Expansion of 1/(1-x-2*x^3).at n=21A077949
• Class 7- primes.at n=19A081426
• a(n) = Sum_{i+j+k=n, 0<=i,j,k<=n} (n+2k)!/(i! * j! * (3*k)!).at n=7A092467
• Primes of the form p^2 + q^2 + 21, where p and q are consecutive primes.at n=18A229075
• The first of three consecutive primes the sum of which is equal to the sum of three consecutive pentagonal numbers.at n=1A298251
• Number of nX3 0..1 arrays with every element unequal to 0, 1, 2, 6 or 7 king-move adjacent elements, with upper left element zero.at n=19A305035
• Number of Juniper Green games with n cards.at n=15A348842
• If n is composite, replace n with the concatenation of its nontrivial divisors, written in increasing order, each divisor being written in base 10 with its digits in reverse order, otherwise a(n) = n.at n=44A361320
• Prime numbersat n=3818