A277726 Intersection of A277722 and A277723.

0, 6, 37, 43, 74, 87, 118, 155, 186, 192, 199, 230, 236, 267, 280, 304, 311, 317, 348, 385, 392, 416, 429, 460, 466, 497, 504, 510, 541, 578, 622, 659, 690, 696, 703, 734, 740, 771, 784, 808, 815, 852, 889, 896, 920, 933, 964, 970, 1001, 1008, 1014, 1045, 1082, 1126, 1163, 1194, 1200, 1207, 1238, 1244, 1275, 1288, 1312, 1319, 1356, 1387, 1393, 1400, 1424

Offset: 1

Author

N. J. A. Sloane, Oct 30 2016

Keywords

• nonn

Comments

See A277728 for discussion.

Crossrefs

Cf. A003144, A003145, A003146, A058265, A158919, A275926, A276799, A276800, A277722, A277723, A277724, A277725, A277726, A277727, A277728.

Programs

Maple

Digits := 120;
isA277722 := proc(n)
    a276800 :=  3.3829757679062374941227085364550345869493820437485761820195626772353718960099402922235933340043661396041006 ;
    for x from floor((n-3)/a276800) to (n+3)/a276800 do
        if floor(x*a276800) = n then
            return true;
        end if;
    end do:
    return false;
end proc:
isA277723 := proc(n)
    a276801 :=  6.2222625231203986266745611011083211873735607898461684287983213166395751180919067179620287534326731537460804;
    for x from floor((n-3)/a276801) to (n+3)/a276801 do
        if floor(x*a276801) = n then
            return true;
        end if;
    end do:
    return false;
end proc:
isA277726 := proc(n)
    isA277722(n) and isA277723(n) ;
end proc:
for n from 0 to 8000 do
    if isA277726(n) then
        printf("%d,",n) ;
    end if;
end do: # R. J. Mathar, Nov 02 2016

Extensions

Corrected by R. J. Mathar, Nov 01 2016