A079849 First differences of A079848.

1, 2, 6, 12, 14, 10, 50, 4, 48, 62, 22, 120, 30, 104, 154, 116, 40, 122, 178, 66, 218, 28, 72, 296, 220, 290, 130, 552, 80, 322, 158, 400, 302, 528, 520, 170, 268, 236, 576, 454, 600, 470, 766, 224, 1090, 666, 180, 764, 868, 606, 572, 294, 738, 70, 918, 1122, 1196

Offset

1,2

Links

Table of n, a(n) for n=1..57.

Prog

(Python)
from itertools import islice
from sympy import nextprime
def A079849_gen(): # generator of terms
    aset2, alist, k, m = set(), [2], 2, 2
    while (k:=nextprime(k)):
        bset2 = set()
        for a in alist:
            if (b:=k-a) in aset2:
                break
            bset2.add(b)
        else:
            yield k-m
            alist.append(m:=k)
            aset2.update(bset2)
A079849_list = list(islice(A079849_gen(), 30)) # Chai Wah Wu, Sep 11 2023

Crossrefs

Cf. A079848.

Sequence in context: A216429 A250178 A154712 * A260907 A333833 A057895

Adjacent sequences: A079846 A079847 A079848 * A079850 A079851 A079852

Keyword

nonn

Author

Amarnath Murthy, Feb 18 2003

Extensions

Extended by Ray Chandler, Feb 11 2007

Status

approved