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

Calculation result

The recurrence formula is 2a^2 + 3a + 1

2th number: 15

5th number: 66

The sum of 2th to 5th: 154

Sequence up to 20th: 6, 15, 28, 45, 66, 91, 120, 153, 190, 231, 276, 325, 378, 435, 496, 561, 630, 703, 780, 861

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

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

Enter the value p, q, and r and the range and click the button "Calculate sum of progression", and the sum of the progression of the specified range and value between the first term to 20th is calculated are displayed.

Please enter up to 15 digits for p, q, and r, and up to 10,000 for nth term.

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