(1, 2, 3, 2^2, 5, 2*3, 7, 2^3, 3^2, 2*5, 11, 2^2*3, 13, 2*7, 3*5,..) becomes (1^2+3, 2^2+5, 2^3+7, 2^3+3, 2^2+5, 11^2+2, 3^13+2, 7^3+5,..).

A143709

(1, 2, 3, 2^2, 5, 2*3, 7, 2^3, 3^2, 2*5, 11, 2^2*3, 13, 2*7, 3*5,..) becomes (1^2+3, 2^2+5, 2^3+7, 2^3+3, 2^2+5, 11^2+2, 3^13+2, 7^3+5,..).

Terms

    a(0) =4a(1) =9a(2) =15a(3) =11a(4) =9a(5) =123a(6) =1594325a(7) =348a(8) =33a(9) =10a(10) =363a(11) =132a(12) =2071a(13) =11a(14) =27a(15) =2200a(16) =11a(17) =844a(19) =136a(20) =131077a(21) =51a(22) =46a(23) =524291a(24) =172a(26) =2230a(27) =15a(28) =14a(29) =8388655a(30) =19a(31) =51

External references