124752

Appears in sequences

• Left diagonal of partition triangle A047812.at n=45A007042
• a(n) = Sum{a(k): k=0,1,2,...,n-4,n-2,n-1}; a(n-3) is not a summand; initial terms are 1,3,3.at n=19A049871
• Number of partitions of n into relatively prime parts such that multiplicities of parts are also relatively prime.at n=47A100953
• Number of partitions of n minus number of divisors of n.at n=46A144300
• Number of n X n symmetric (0,1)-matrices containing four ones.at n=23A185355
• Number of partitions of n which are not the partitions into (one or more) consecutive parts.at n=46A282467
• Number of integer partitions of n whose parts cannot be arranged into a (not necessarily square) matrix with equal row-sums and equal column-sums.at n=47A323348
• Number of integer partitions of n not containing their mean.at n=47A327472
• Number of integer partitions of n whose mean is not an integer.at n=47A349156
• Number of integer partitions of n that cannot be partitioned into constant multisets with a common sum.at n=47A381993
• Number of integer partitions of n whose run-sums are not all equal.at n=47A382076
• Number of integer partitions of n having no permutation with all equal run-sums.at n=47A383096