A077279 - OEIS

A077279

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

3, 11, 29, 41, 61, 73, 89, 127, 173, 197, 251, 283, 311, 353, 383, 401, 421, 439, 463, 487, 503, 523, 569, 599, 983, 1153, 1511, 1543, 1601, 1621, 1721, 1741, 1783, 1823, 1871, 1901, 2029, 2239, 2267, 2281, 2311, 2341, 2383, 2447, 2503, 2539, 2551, 2591

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OFFSET

1,1

COMMENTS

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.

LINKS

Table of n, a(n) for n=1..48.

CROSSREFS

Cf. A073684, A092285, A073683.

Sequence in context: A302509 A335899 A018743 * A269891 A272000 A196190

Adjacent sequences: A077276 A077277 A077278 * A077280 A077281 A077282

KEYWORD

nonn

AUTHOR

Zak Seidov, Nov 02 2002

STATUS

approved