A252785 -id:A252785 - cp's OEIS frontend

Showing 1-3 of 3 results.

A252784 Number of exponent-2 class 2 groups of order 2^n.

Original entry on oeis.org

0, 0, 1, 3, 7, 22, 89, 779, 30078, 8785772, 48803495722, 1774274116992170

Offset: 0

Eric M. Schmidt, Dec 21 2014

J. H. Conway, Heiko Dietrich and E. A. O'Brien, Counting groups: gnus, moas and other exotica, The Mathematical Intelligencer, March 2008, Volume 30, Issue 2, pp 6-15.
Bettina Eick and E. A. O'Brien, Enumerating p-groups. Group theory. J. Austral. Math. Soc. Ser. A 67 (1999), no. 2, 191-205.
E. A. O'Brien, Bibliography on the determination of finite groups.

Cf. A000679, A252785, A252786, A252787.

A252786 Number of exponent-5 class 2 groups of order 5^n.

Original entry on oeis.org

0, 0, 1, 3, 7, 26, 117, 6851, 85249444, 39565495603665, 40261075301026166295207

Offset: 0

Eric M. Schmidt, Dec 21 2014

J. H. Conway, Heiko Dietrich and E. A. O'Brien, Counting groups: gnus, moas and other exotica.
Bettina Eick and E. A. O'Brien, Enumerating p-groups. Group theory. J. Austral. Math. Soc. Ser. A 67 (1999), no. 2, 191-205.
E. A. O'Brien, Bibliography on the determination of finite groups.

Cf. A090130, A252784, A252785, A252787.

A252787 Number of exponent-7 class 2 groups of order 7^n.

Original entry on oeis.org

0, 0, 1, 3, 7, 28, 131, 26465, 2832610615, 18602165186505644, 1577146952504975321253720851

Offset: 0

Eric M. Schmidt, Dec 21 2014

J. H. Conway, Heiko Dietrich and E. A. O'Brien, Counting groups: gnus, moas and other exotica.
Bettina Eick and E. A. O'Brien, Enumerating p-groups. Group theory. J. Austral. Math. Soc. Ser. A 67 (1999), no. 2, 191-205.
E. A. O'Brien, Bibliography on the determination of finite groups.

Cf. A090140, A252784, A252785, A252786.

Showing 1-3 of 3 results.