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A364166
Indices k such that A002375(k) = A002375(k+1) = number of decompositions of 2k into a sum of two odd primes.
0
1, 3, 7, 8, 9, 11, 12, 17, 37, 58, 88, 103, 112, 118, 160, 196, 226, 247, 277, 283, 343, 382, 415, 455, 463, 502, 523, 532, 553, 592, 598, 613, 652, 667, 670, 682, 697, 751, 770, 817, 895, 901, 1012, 1018, 1048, 1123, 1153, 1198, 1318, 1393, 1420, 1708, 1831, 1942, 1972
OFFSET
1,2
COMMENTS
Related to the Goldbach conjecture and to the open question (as of today) whether there are two consecutive integers > 11 in this sequence.
LINKS
Shyam Sunder Gupta, Can You Find (CYF) No. 58, July 12, 2023.
PROG
(PARI) [i-1|i<-[2..#A=A002375], A[i-1]==A[i]] \\ where the list A002375 must be defined e.g. by reading the b-file for that sequence.
CROSSREFS
Cf. A002375.
Sequence in context: A059101 A091679 A116034 * A122987 A047530 A346300
KEYWORD
nonn
AUTHOR
M. F. Hasler, Jul 12 2023
STATUS
approved