Calendar
<< < Dec. 2017 > >>
SunMonTueWedThuFriSat
26 27 28 29 30 1 2
3 4 5 6 7 8 9
10 11 12 13 14 15 16
17 18 19 20 21 22 23
24 25 26 27 28 29 30
31 1 2 3 4 5 6
Search in site

The sum of the progression (pa^2+qa+r))

Share

The sum of 2th to 5th number in arithmetic progression whose recurrence relation is 2a^2 + 3a + 1

2th number: 15

5th number: 66

The sum of 2th to 5th: 154

nthValue
16
215
328
445
566
691
7120
8153
9190
10231
11276
12325
13378
14435
15496
16561
17630
18703
19780
20861

CalculatorSimple Calculator

Save results in a temporary