23212

Appears in sequences

• Output of the linear congruential pseudo-random number generator used in function rand() as described in Kernighan and Ritchie, when seeded with 0.at n=27A096554
• First differences (A131771) equal this sequence with terms repeated at positions: {m*(m+1)/2, m>=0}.at n=27A131770
• First differences (A131772) equal this sequence with zeros inserted at positions {m*(m+1)/2, m>=0}.at n=33A131771
• First differences (A131772) equal this sequence with zeros inserted at positions {m*(m+1)/2, m>=0}.at n=34A131771
• Partial sums (A131771) equal this sequence excluding zeros located at positions {m*(m+1)/2, m>=0}, with a(0)=1.at n=40A131772
• Partial sums (A131771) equal this sequence excluding zeros located at positions {m*(m+1)/2, m>=0}, with a(0)=1.at n=41A131772
• Repeated terms in A131771; a(n) = A131770( (n+1)*(n+2)/2 - 1 ) for n>=0.at n=6A131786
• Number of partitions of 2n into exactly 5 parts.at n=44A256309
• Number of partitions of 4n into exactly 5 parts.at n=22A256316
• a(n) = [x^n] Product_{k=1..n} (1+x^k)^2 / x^k.at n=10A258797
• a(n) is the number of top arches with length =1 for all semi meander solutions with n top arches.at n=10A276051
• Integers which can be written in exactly three ways as sum of two distinct nonzero pentagonal numbers.at n=25A333013
• Composite k such that the primorial inflation of k is a sum of distinct primorial numbers.at n=23A351959
• Order 3 perimeter magic squares of magic sum n, all elements distinct and 1 in the set; bracelet symmetry.at n=42A382455