Theseries is arranged in the pattern 1^{2} +2 = 3, 2^{2} + 3 = 7, 3^{2} + 5 = 14, 4^{2} + 7 = 23, 5^{2} + 11 = 36
6^{2} + 13 = 49, 7^{2}+ 17 = 66, => squares of natural numbers starting from 1 + Prime numbers a starting from 2.
The pattern is => 1 + 2 = 3, 2 +3 = 5, 3 +5 = 8, 4 + 7 = 11, 5 + 11 = 16, 7 + 17 = 24
Natural numbers + Prime numbers.
2+3 = 5, 5+7 = 12, 11+13 = 24, 17+19 = 36 [all are consecutive prime numbers and each pair is added]
The series is in the pattern
1X2 = 2, 3X4 = 12, 5X6 = 30, 7X8 = 56, next numbers are 9 and 10 => 9X10 = 90
The series is in the pattern
1^{2} â€“ 1 = 0, 2^{2} + 1 = 5, 3^{2} â€“ 1 = 8, 4^{2 }+ 1 = 17, 5^{2} - 1 = 24, 6^{2} + 1 = 37
The series is in the pattern
1^{2} + 2^{2} = 5, 3^{2} + 4^{2} = 25, 5^{2} + 6^{2} = 51, 7^{2} + 8^{2} = 120, 9^{2} + 10^{2} = 181, 11^{2} + 12^{2} = 265
The series is in the pattern
1 is the first term and increasing in the pattern +4, +8, +12, +16, + 20, +24.
61 + 24 = 85
2X3X4 = 24, 1X3X4 = 12, 2X2X4 = 16, 3X1X5 = 15, 4X1X3 = 12.
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