login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A077279 Last prime of n-th group of successive primes in A073684. 4
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 (list; graph; refs; listen; history; text; internal format)
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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified January 21 17:26 EST 2022. Contains 350479 sequences. (Running on oeis4.)