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A077279 Last prime of n-th group of successive primes in A073684. 4

%I #6 Mar 30 2012 17:26:08

%S 3,11,29,41,61,73,89,127,173,197,251,283,311,353,383,401,421,439,463,

%T 487,503,523,569,599,983,1153,1511,1543,1601,1621,1721,1741,1783,1823,

%U 1871,1901,2029,2239,2267,2281,2311,2341,2383,2447,2503,2539,2551,2591

%N Last prime of n-th group of successive primes in A073684.

%C Partition the sequence of primes into groups so that the sum of the terms in each group is prime: {2, 3}, {5, 7, 11}, {13, 17, 19, 23, 29}, {31, 37, 41}, {43, 47, 53, 59, 61}, {67, 71, 73}, {79, 83, 89}, {97, 101, 103, 107, 109, 113, 127}, {131, 137, 139, 149, 151, 157, 163, 167, 173}, {179, 181, 191, 193, 197},..; A073684(n) is the number of terms in n-th group; A073682(n) is the sum of terms in n-th group; A073683(n) is the first term in n-th group; A077279(n) is the last term in n-th group.

%Y Cf. A073684, A092285, A073683.

%K nonn

%O 1,1

%A _Zak Seidov_, Nov 02 2002

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Last modified April 25 05:18 EDT 2024. Contains 371964 sequences. (Running on oeis4.)