Differences between odd powers of 7 and the next smaller square.

A201123

Differences between odd powers of 7 and the next smaller square.

Terms

    a(0) =3a(1) =19a(2) =166a(3) =894a(4) =5703a(5) =12654a(6) =620046a(7) =4235622a(8) =24518766a(9) =133763479a(10) =575536407a(11) =7275224659a(12) =63521178243a(13) =36407018199

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