A108944 -id:A108944 - cp's OEIS frontend

A108943 Square root of A108945(n).

3, 4, 5, 6, 8, 10, 11, 12, 20, 15, 26, 20, 19, 20, 20, 25, 22, 24, 50, 25, 35, 29, 30, 32, 38, 34, 35, 106, 110, 37, 42, 140, 41, 46, 42, 47, 55, 46, 68, 47, 48, 56, 80, 58, 52, 52, 55, 55, 58, 55, 79, 57, 145, 286, 62, 155, 62, 316, 65, 64, 64, 65, 350, 65, 65, 86, 72, 376

Offset: 1

Giovanni Teofilatto, Jul 21 2005

nonn

Cf. A001359, A006512, A108944, A108945.

Edited and extended by Ray Chandler, Jul 25 2005

A108945 Squares equal to the sum of the n-th twin prime pair and minimal square k^2.

Original entry on oeis.org

9, 16, 25, 36, 64, 100, 121, 144, 400, 225, 676, 400, 361, 400, 400, 625, 484, 576, 2500, 625, 1225, 841, 900, 1024, 1444, 1156, 1225, 11236, 12100, 1369, 1764, 19600, 1681, 2116, 1764, 2209, 3025, 2116, 4624, 2209, 2304, 3136, 6400, 3364, 2704, 2704, 3025

Offset: 1

Giovanni Teofilatto, Jul 21 2005

nonn

			a(1) = 9 because 3+5+1=9;
a(2) = 16 because 5+7+4=16;
a(3) = 25 because 11+13+1=25;
a(4) = 36 because 17+19+0=36.

Cf. A001359, A006512, A108943, A108944.

a(n) = A001359(n) + A006512(n) + A108944(n).

Edited and extended by Ray Chandler, Jul 25 2005

cp's OEIS Frontend

A108943 Square root of A108945(n).

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